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542 results for “Hawaiian Islands”
FIGURE 11 in Two new paratanaid Tanaidacea (Crustacea: Malacostraca: Peracarida) from the Hawaiian Islands, with illustrated taxonomic keys
FIGURE 11. Aparatanais hawaiensis sp. nov. holotype female. A−F, pereopods 1–6; G–O, enlargement of different kind of setae and spiniform setae in pereopods. Scale bars = 0.1 mm for A–F.
FIGURE 4 in Etmopterus lailae sp. nov., a new lanternshark (Squaliformes: Etmopteridae) from the Northwestern Hawaiian Islands
FIGURE 4. Ventral flank marking between pelvic fins and lower caudal origin of Etmopterus lailae new species (holotype BPBM 40183).
FIGURE 3 in Etmopterus lailae sp. nov., a new lanternshark (Squaliformes: Etmopteridae) from the Northwestern Hawaiian Islands
FIGURE 3. Dermal denticle arrangement on ventral snout surface of (a) Etmopterus lailae new species (holotype BPBM 40183) and (b) E. lucifer (syntype, CAS-SU 6863). Arrows denote areas of presence (E. lucifer) or absence (E. lailae) of dermal denticles.
FIGURE 3. A–C,F,H–L,O–P Stevekenia nothocestri, D–E,G,M–N,Q Stevekenia aiea. A in A new endemic psyllid genus, Stevekenia gen. nov. (Hemiptera: Psylloidea, Triozidae), from the Hawaiian Islands with two new and rare species on threatened host plants in the endemic genus Nothocestrum (Solanaceae)
FIGURE 3. A–C,F,H–L,O–P Stevekenia nothocestri, D–E,G,M–N,Q Stevekenia aiea. A—male terminalia; B—sperm pump with comparative size of paramere; C—aedeagus; D—male terminalia; E—aedeagus; F,G—paramere (external surface); H—female terminalia; I—female subgenital plate (ventral view); J—female proctiger (dorsal view); K detail of dorsum of female proctiger indicating position of raised pores flanking anal ring; L female abdomen (with eggs) indicating long setae on sternites; M—female terminalia (with egg) indicating position of raised pore flanking anal ring, inset illustration of anal ring shape and circumanal pores; N—ovipositor; O–Q—eggs indicating pedicel, tail, plug-like structure, and surface cellular outgrowths (illustrated).
FIGURE 2. A–H, N, P–Q Stevekenia nothocestri, I–M,O,R Stevekenia aiea. A in A new endemic psyllid genus, Stevekenia gen. nov. (Hemiptera: Psylloidea, Triozidae), from the Hawaiian Islands with two new and rare species on threatened host plants in the endemic genus Nothocestrum (Solanaceae)
FIGURE 2. A–H, N, P–Q Stevekenia nothocestri, I–M,O,R Stevekenia aiea. A—head (dorsal view above, ventral view below) indicating position of posterior eye rim extensions (outlined), lateral ocelli, and anterior vertex extensions (in dorsal view) and position of medial ocellus below vertex extensions (in ventral view); B—head (dorso-anterior view) indicating short vertex with anterior vertex extensions; C—head (ventro-anterior view); D—head (lateral view) indicating position of posterior eye rim extension; E—single disk rhinarium on antennal segment 6 (illustration inset); F—multiple disk rhinaria on antennal segment 4; G—head and antenna; H—proboscis; I—head (dorsal view above, ventral view below) indicating position of posterior eye rim extensions, lateral ocelli, and anterior vertex extensions (in dorsal view) and position of medial ocellus below vertex extensions (in ventral view); J—detail of diverging anterior vertex extensions; K—head and antenna; L—proboscis; M,N—hind leg; O,P—genual spine at base of hind tibia; Q—apical tibial spurs and tarsi; R—detail of pair of apical tibial spurs not conjoined basally; S—detail of hind tarsal claws and arolium.
FIGURE 1. A–G Stevekenia nothocestri, H–L Stevekenia aiea. A in A new endemic psyllid genus, Stevekenia gen. nov. (Hemiptera: Psylloidea, Triozidae), from the Hawaiian Islands with two new and rare species on threatened host plants in the endemic genus Nothocestrum (Solanaceae)
FIGURE 1. A–G Stevekenia nothocestri, H–L Stevekenia aiea. A—fore wing; B—hind wing; C—detail of fore wing cell m2 indicating position of two clusters of marginal radular spines, inset illustrates disbursed distribution of spines; D—detail of long setae on fore wing ventral margin and veins; E—dorsum of thorax; F—female habitus (cluster of eggs in abdomen); Ghead and thorax; H—fore wing (male); I—fore wing (female); J—hind wing (female); K—detail of fore wing cells m1 and m2 indicating position of single clusters of marginal radular spines towards posterior in each cell, inset illustrates narrow distribution of spines; L—detail of long setae on fore wing ventral margin and veins.
Endemic island plant-herbivore interactions: Kamehameha butterfly (Nymphalidae) and Hawaiian Urticaceae
<p>Insect-plant interactions are less well studied than other types of herbivory on islands, precluding a comprehensive understanding of the evolutionary ecology of these interactions. Declines in native island plants and insects call for urgent attention to characterize these species' interactions for their conservation and to better understand evolution in these unique, insular ecosystems. In Hawai'i, the Kamehameha butterfly (<em>Vanessa tameamea</em>) is one of only two native butterflies, and larvae are specialists on native urticaceous plants. Using a no-choice bioassay, we investigated performance of <em>V. tameamea</em> reared from egg hatching through eclosion on four native urticaceous host plants, <em>Boehmeria grandis</em>, <em>Pipturus albidus</em>, <em>Touchardia latifolia</em>, and <em>Touchardia oahuensis</em>, and one exotic urticaceous species, <em>Cecropia obtusifolia</em>. Performance varied significantly among the plant diets, with <em>V. tameamea</em> performing best on <em>P. albidus</em> and <em>T. oahuensis</em> among the performance metrics of survival, pupal and adult body mass, and development time. Larval responses to the exotic host plant <em>C. obtusifolia </em>varied among populations, with O'ahu caterpillars successfully completing development on it, but Hawai'i Island caterpillars rejecting it completely, suggesting a geographic mosaic for this novel species interaction. Characterization of a suite of nutritive and defensive plant traits revealed significant variability among plant species, but patterns did not align well with <em>V. tameamea </em>performance rankings, making it difficult to identify key drivers of host plant quality. Future work examining additional plant traits under natural conditions would provide new insights, contributing critical ecological information to conserve this charismatic island species.</p>
FIGURE 13. Kirchenpaueriidae and Halopterididae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 13. Kirchenpaueriidae and Halopterididae. a, Pycnotheca producta (Bale, 1881), part of a hydrocladium with two hydrothecae, Laysan Island, ROMIZ B5481. Scale equals 0.1 mm. b, Antennella secundaria (Gmelin, 1791), part of hydrocaulus with two hydrothecae, Midway Atoll, ROMIZ B5454. Scale equals 0.1 mm. c, Antennella secundaria (Gmelin, 1791), part of a colony to show branching, Midway Atoll, ROMIZ B5455. Scale equals 0.5 mm. d, Antennella secundaria (Gmelin, 1791), part of hydrocaulus, and base of a hydrocladium with a hydrotheca, Midway Atoll, ROMIZ B5455. Scale equals 0.1 mm. e, Halopteris alternata (Nutting, 1900), part of a hydrocladium with two hydrothecae, Laysan Island, ROMIZ B5458. Scale equals 0.1 mm. f, Halopteris alternata (Nutting, 1900), part of hydrocaulus, with a cauline hydrotheca and proximal end of a hydrocladium, Laysan Island, ROMIZ B5458. Scale equals 0.1 mm g, Halopteris longibrachia, nom. nov., part of a hydrocladium with two hydrothecae, Gardner Pinnacles, ROMIZ B5459. Scale equals 0.1 mm. h, Halopteris longibrachia, nom. nov., female gonotheca, Pearl & Hermes Atoll, ROMIZ B5461. Scale equals 0.1 mm. i, Halopteris longibrachia, nom. nov., part of hydrocaulus with a male gonotheca, Gardner Pinnacles, ROMIZ B5459. Scale equals 0.1 mm.
FIGURE 14. Aglaopheniidae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 14. Aglaopheniidae. a, Aglaophenia postdentata Billard, 1913, part of a cladium with two hydrothecae, Gardner Pinnacles, ROMIZ B5462. Scale equals 0.1 mm. b, Aglaophenia suensonii Jäderholm, 1896, part of a cladium with three hydrothecae, Laysan Island, ROMIZ B5463. Scale equals 0.1 mm. c, Aglaophenia suensonii Jäderholm, 1896, corbula, Laysan Island, ROMIZ B5463. Scale equals 0.2 mm. d, Aglaophenia whiteleggei Bale, 1888, part of a cladium with two hydrothecae, Pearl & Hermes Atoll, ROMIZ B5464. Scale equals 0.1 mm. e, Lytocarpia flexuosa (Lamouroux, 1816), part of a cladium with three hydrothecae, Pearl & Hermes Atoll, ROMIZ B5479. Scale equals 0.1 mm. f, Lytocarpia phyteuma (Stechow, 1919b), part of a cladium with two hydrothecae, Pearl & Hermes Atoll, ROMIZ B5468. Scale equals 0.1 mm. g, Macrorhynchia philippina Kirchenpauer, 1872, part of a cladium with two hydrothecae, Midway Atoll, ROMIZ B5470. Scale equals 0.1 mm. h, Macrorhynchia phoenicea (Busk, 1852), part of a cladium with three hydrothecae, Gardner Pinnacles, ROMIZ B5475. Scale equals 0.1 mm. i, Macrorhynchia phoenicea (Busk, 1852), one phylactocarp, without gonothecae, Gardner Pinnacles, ROMIZ B5475. Scale equals 0.2 mm.
FIGURE 10. Sertulariidae and Symplectoscyphidae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 10. Sertulariidae and Symplectoscyphidae. a, Tridentata loculosa (Bale, 1852), part of hydrocaulus with two hydrothecal pairs, Midway Atoll, ROMIZ B5434. Scale equals 0.2 mm. b, Tridentata loculosa (Bale, 1852), gonotheca, Midway Atoll, ROMIZ B5434. Scale equals 0.2 mm. c, Tridentata orthogonalis (Gibbons & Ryland, 1989), part of hydrocaulus with two hydrothecal pairs, Laysan Island, ROMIZ B5440. Scale equals 0.2 mm. d, Tridentata rugosissima (Thornely, 1904), part of hydrocaulus with one hydrothecal pair, Laysan Island, ROMIZ B5489. Scale equals 0.1 mm. e, Tridentata turbinata (Lamouroux, 1816), part of hydrocaulus with two hydrothecal pairs, Pearl & Hermes Atoll, ROMIZ B5444. Scale equals 0.1 mm. f, Tridentata turbinata (Lamouroux, 1816), gonotheca, Pearl & Hermes Atoll, ROMIZ B5444. Scale equals 0.2 mm. g, Bicaularia tongensis (Stechow, 1919b), part of hydrocaulus with two hydrothecae, Midway Atoll, ROMIZ B5445. Scale equals 0.1 mm.
FIGURE 12 in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 12. Plumulariidae. Monotheca gibbosa, sp. nov., holotype, Laysan Island, ROMIZ B5448. a, part of colony, with hydrorhiza, hydrocaulus, six hydrocladia, and six hydrothecae. b, distal end of hydrocaulus, with four hydrocladia and four hydrothecae. c, distal end of hydrocaulus, with hydrocladium and a hydrotheca.
FIGURE 11. Plumulariidae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 11. Plumulariidae. a, Monotheca flexuosa (Bale, 1894), part of hydrocaulus with two hydrocladia, each with a hydrotheca, Kure Atoll, ROMIZ B5447. Scale equals 0.1 mm. b, Monotheca gibbosa, sp. nov., holotype, part of hydrocaulus with hydrocladia and three hydrothecae, Laysan Island, ROMIZ B5448. Scale equals 0.1 mm. c, Monotheca gibbosa, sp. nov., holotype, part of hydrocaulus, and a hydrocladium with one hydrotheca, Laysan Island, ROMIZ B5448. Scale equals 0.05 mm. d, Plumularia floridana (Nutting 1900), part of hydrocaulus with bases of two hydrocladia, one with two hydrothecae, Gardner Pinnacles, ROMIZ B5449. Scale equals 0.1 mm. e, Plumularia strictocarpa Pictet, 1893, part of hydrocaulus with bases of two hydrocladia, one with two hydrothecae, Kure Atoll, ROMIZ B5453. Scale equals 0.1 mm. f, Plumularia strictocarpa Pictet, 1893, part of hydrorhiza, and proximal end of hydrocaulus with a gonotheca, Kure Atoll, ROMIZ B5453. Scale equals 0.2 mm.
FIGURE 9. Sertulariidae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 9. Sertulariidae. a, Disertasia crisioides (Lamouroux, 1824), part of hydrocladium with three hydrothecal pairs, Gardner Pinnacles, ROMIZ B5427. Scale equals 0.2 mm. b, Disertasia crisioides (Lamouroux, 1824), gonotheca, Gardner Pinnacles, ROMIZ B5427. Scale equals 0.2 mm. c, Disertasia disticha (Bosc, 1802), part of hydrocaulus with three hydrothecal pairs, Pearl & Hermes Atoll, ROMIZ B5428. Scale equals 0.2 mm. d, Pasya heterodonta (Jarvis, 1922), proximal end of hydrocaulus, with three hydrothecal pairs, Pearl & Hermes Atoll, ROMIZ B5436. Scale equals 0.2 mm. e, Pasya heterodonta (Jarvis, 1922), distal end of hydrocaulus, with three hydrothecal pairs, two pairs being stacked, Kure Atoll, ROMIZ B5491. Scale equals 0.2 mm. f, Pasya heterodonta (Jarvis, 1922), distal end of hydrocaulus, with three stacked hydrothecal pairs, Pearl & Hermes Atoll, ROMIZ B5485. Scale equals 0.2 mm. g, Pasya heterodonta Jarvis, 1922), gonotheca, Kure Atoll, ROMIZ B5491. Scale equals 0.1 mm. h, Salacia tetracythara Lamouroux, 1816, part of hydrocladium with three hydrothecal pairs, Lisianski Island, ROMIZ B5429. Scale equals 0.2 mm. i, Salacia tetracythara Lamouroux, 1816, gonotheca from same colony, Lisianski Island, ROMIZ B5429. Scale equals 0.2 mm.
FIGURE 8 in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 8. Sertularellidae. Sertularella affinicostata, sp. nov., holotype, Isla Darwin, Galapagos Islands, Ecuador, ROMIZ B3339. a, hydrocaulus and hydrorhiza, with two hydrothecae. b, a single hydrotheca, darkfield illumination. c, hydrocaulus and hydrorhiza, with a male gonotheca and a hydrotheca, darkfield illumination. d, hydrocaulus and hydrorhiza, with a male gonotheca and a hydrotheca.
FIGURE 7. Sertularellidae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 7. Sertularellidae. a, Sertularella affinicostata, sp. nov., holotype, hydrocaulus with two hydrothecae, Darwin Island, Galapagos Islands, Ecuador, ROMIZ B3339. Scale equals 0.1 mm. b, Sertularella affinicostata, sp. nov., holotype, hydrocaulus with male gonotheca and a hydrotheca, Darwin Island, Galapagos Islands, Ecuador, ROMIZ B3339. Scale equals 0.1 mm. c, Sertularella affinicostata, sp. nov., paratype, hydrocaulus with three hydrothecae, French Frigate Shoals, ROMIZ B5486. Scale equals 0.1 mm. d, Sertularella affinicostata, sp. nov., paratype, hydrocaulus with two hydrothecae, French Frigate Shoals, ROMIZ B5486. Scale equals 0.1 mm. e, Sertularella affinicostata, sp. nov., paratype, hydrocaulus with a single hydrotheca, French Frigate Shoals, ROMIZ B5486. Scale equals 0.1 mm. f, Sertularella angulosa Bale, 1894, part of hydrocaulus with four hydrothecae, French Frigate Shoals, ROMIZ B5477. Scale equals 0.2 mm. g, Sertularella angulosa Bale, 1894, part of hydrocaulus with four hydrothecae, Kure Atoll, ROMIZ B5425. Scale equals 0.1 mm. h, Sertularella angulosa Bale, 1894, part of hydrocaulus with two hydrothecae, Kure Atoll, ROMIZ B5425. Scale equals 0.1 mm. i, Sertularella areyi Nutting, 1904, part of hydrocaulus with three hydrothecae, Nihoa, ROMIZ B5478. Scale equals 0.2 mm.
FIGURE 5. Clytiidae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 5. Clytiidae. a, Clytia brevithecata (Thornely, 1900), hydrotheca and pedicel, Nihoa, ROMIZ B5414. Scale equals 0.2 mm. b, Clytia elsaeoswaldae Stechow, 1914, hydrotheca and pedicel, Midway Atoll, ROMIZ B5415. Scale equals 0.1 mm. c, Clytia elsaeoswaldae Stechow, 1914, gonotheca, Midway Atoll, ROMIZ B5415. Scale equals 0.1 mm. d, Clytia linearis (Thornely, 1900), hydrotheca and distal end of pedicel, Gardner Pinnacles, ROMIZ B5418. Scale equals 0.2 mm. e, Clytia linearis (Thornely, 1900), gonotheca, Laysan Island, ROMIZ B5417. Scale equals 0.2 mm. f, Clytia cf. noliformis (McCrady, 1859), hydrotheca and pedicel, Pearl & Hermes Atoll, ROMIZ B5419. Scale equals 0.2 mm. g, Clytia cf. noliformis (McCrady, 1859), hydrotheca and distal end of pedicel, Pearl & Hermes Atoll, ROMIZ B5419. Scale equals 0.1 mm.
FIGURE 4. Hebellidae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 4. Hebellidae. a, Hebella furax Millard, 1957, hydrotheca, Midway Atoll, ROMIZ B5407. Scale equals 0.1 mm. b. Hebella sp., hydrotheca, pedicel, and stolon, Midway Atoll, ROMIZ B5493. Scale equals 0.2 mm. c, Hebellopsis scandens (Bale, 1888), hydrotheca and pedicel, Pearl & Hermes Atoll, ROMIZ B5413. Scale equals 0.1 mm. d, Hebellopsis sibogae Billard, 1942, hydrotheca and pedicel, Pearl & Hermes Atoll, ROMIZ B5410. Scales equal 0.1 mm. e, Hebellopsis sibogae Billard, 1942, hydrotheca and pedicel, Pearl & Hermes Atoll, ROMIZ B5411. Scale equal 0.1 mm. e,
FIGURE 6. Haleciidae. a in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 6. Haleciidae. a, Halecium sp., part of colony with two hydrothecae, Pearl & Hermes Atoll, ROMIZ B5421. Scale equals 0.1 mm. b, Halecium sp., part of colony with five hydrothecae, Pearl & Hermes Atoll, ROMIZ B5421. Scale equals 0.1 mm. c, Nemalecium lighti (Hargitt, 1924), part of hydrocaulus, with four hydrothecae, Kure Atoll, ROMIZ B5424. Scale equals 0.1 mm.
FIGURE 2 in Shallow water hydroids (Cnidaria, Hydrozoa) from the 2002 NOWRAMP cruise to the Northwestern Hawaiian Islands
FIGURE 2. Pennariidae, Oceaniidae, Eudendriidae, and Phialellidae. a, Pennaria disticha Goldfuss, 1820, hydranth with a medusa bud and part of pedicel, Pearl & Hermes Atoll, ROMIZ B5404. Scale equals 0.2 mm. b, Turritopsis sp., hydrocaulus with two hydranths, Midway Atoll, ROMIZ B5490. Scale equals 0.2 mm. c, Eudendrium merulum Watson, 1985, hydranth and part of pedicel, Nihoa, ROMIZ B5405. Scale equals 0.1 mm. d, Eudendrium merulum Watson, 1985, hydrocaulus and proximal ends of three branches, Nihoa, ROMIZ B5405. Scale equals 0.2 mm. e, Eudendrium merulum Watson, 1985, female gonophores, Nihoa Island, ROMIZ B5405. Scale equals 0.1 mm. f. Phialellidae (undetermined), three hydrothecae, Gardner Pinnacles, ROMIZ B5406. Scales equal 0.05 mm.
Islands Within Islands: Bacterial Phylogenetic Structure and Consortia in Hawaiian Lava Caves and Fumaroles
Lava caves, tubes, and fumaroles in Hawai'i present a range of volcanic, oligotrophic environments from different lava flows and host unexpectedly high levels of bacterial diversity. These features provide an opportunity to study the ecological drivers that structure bacterial community diversity and assemblies in volcanic ecosystems and compare the older, more stable environments of lava tubes, to the more variable and extreme conditions of younger, geothermally active caves and fumaroles. Using 16S rRNA amplicon-based sequencing methods, we investigated the phylogenetic distinctness and diversity and identified microbial interactions and consortia through co-occurrence networks in 70 samples from lava tubes, geothermal lava caves, and fumaroles on the island of Hawai'i. Our data illustrate that lava caves and geothermal sites harbor unique microbial communities, with very little overlap between caves or sites. We also found that older lava tubes (500–800 yrs old) hosted greater phylogenetic diversity (Faith's PD) than sites that were either geothermally active or younger (&lt;400 yrs old). Geothermally active sites had a greater number of interactions and complexity than lava tubes. Average phylogenetic distinctness, a measure of the phylogenetic relatedness of a community, was higher than would be expected if communities were structured at random. This suggests that bacterial communities of Hawaiian volcanic environments are phylogenetically over-dispersed and that competitive exclusion is the main driver in structuring these communities. This was supported by network analyses that found that taxa (Class level) co-occurred with more distantly related organisms than close relatives, particularly in geothermal sites. Network "hubs" (taxa of potentially higher ecological importance) were not the most abundant taxa in either geothermal sites or lava tubes and were identified as unknown families or genera of the phyla, Chloroflexi and Acidobacteria. These results highlight the need for further study on the ecological role of microbes in caves through targeted culturing methods, metagenomics, and long-read sequence technologies.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.