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1,009 results for “Water beetles”
Figure 8. Labroclypeal region. A, B in REVIEW Going underwater: multiple origins and functional morphology of piercing-sucking feeding and tracheal system adaptations in water scavenger beetle larvae (Coleoptera: Hydrophiloidea)
Figure 8. Labroclypeal region. A, B, Hybogralius hartmeyeri (Régimbart, 1908), third-instar larva, light microscope photographs, dorsal view: A, labroclypeus; B, left epistomal lobe. C, D, Epimetopus mendeli Fikáček et al. 2011, first-instar larva, SEM micrograph, dorsal view: C, labroclypeus; D, right epistomal lobe. Abbreviations: EpLb, epistomal lobe; NS, nasale. Colours: light blue, frontoclypeal region; green, gFR1, group of sensilla of nasale; violet, gFR2, group of sensilla of epistomal lobe.
FIGURE 5 in New species and new distributional records of the hygropetric water scavenger beetle genus Oocyclus Sharp (Coleoptera, Hydrophilidae) from the Brazilian Shield
FIGURE 5. Oocyclus humboldti sp. n., dorsal (a), ventral (b) and, lateral habitus (c), antero-dorsal view (d) arrow indicates the prosternal carina (e) (paratype). Scale bar: a, b and c = 1.0 mm; d = 0.5 mm and e = 0.2 mm.
FIGURE 11 in Morphology and feeding biology of larvae of the South African endemic water beetle genus Prosthetops Waterhouse, 1879 (Coleoptera: Hydraenidae)
FIGURE 11. Larva of Prosthetops nitens. a: Thorax of third instar larva, dorsal view; b: First and second abdominal segment of third instar larva, dorsal view; c: Pronotum of second instar larva. Scale bar: 0.3 mm.
FIGURE 1 in Morphology and feeding biology of larvae of the South African endemic water beetle genus Prosthetops Waterhouse, 1879 (Coleoptera: Hydraenidae)
FIGURE 1. Prosthetops habitats in Western Cape, South Africa. a: Cederberg range, nr. Wolfberg Arch, pool with adults and larvae of P. wolfbergensis; b to d: Table Mountain, pool with adults of P. megacephalus (visible in figs b–c) and larvae of P. megacephalus and P. nitens (pool 2); e and f: Table Mountain, pool with adults and larvae of P. nitens (pool 1). Photos D.T. Bilton.
FIGURES 12A–E in Type designations for Neotropical water beetles in the genus Hydrochus Leach 1817 (Coleoptera: Hydrochidae)
FIGURES 12A–E. Labels of lectotypes. (A) Hydrochus ducalis Knisch; (B) Hydrochus drakei Knisch; (C) Hydrochus variabilis Knisch; (D) Hydrochus corruscans Bruch; (E) Hydrochus argutus Knisch.
Figs 18–20 in New data on water beetles (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae, Hydrophilidae, Elmidae) of Primorsky Krai (Russia)
Figs 18–20. Heterlimnius gapyeongensis (Jung, Kamite et Bae, 2011) from Kaymanovka village: 18 — habitus, dorsal view; 19 — ninth sternite; 20 — aedeagus. Photographs by K.V. Makarov. Рис. 18–20. Heterlimnius gapyeongensis (Jung, Kamite et Bae, 2011) иЗ с. Каймановка: 18 — габитус, сверху; 19 — девЯтый стернит; 20 — Эдеагус. Фотографии К.В. Макарова.
Fig. 14 in New data on water beetles (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae, Hydrophilidae, Elmidae) of Primorsky Krai (Russia)
Fig. 14. Localities in Primorsky Krai: red star — The Sikhote-Alin Nature Reserve, red circles: 1 — Furugelm Island; 2 — Vityaz village; 3 — "Kedrovaya Pad" Nature Reserve; 4 — Barabash village; 5 — Zanadvorovka village; 6 — Popova Island; 7 — Russky Island; 8–9 — Vladivostok, Okeanskaya station and Botanical Garden; 10 — Kaymanovka village; 11 — Khanka Nature Reserve, Sopka Luzanova; 12 — Spassk-Dalny; 13 — Chuguevka village; 14 — Udygeyskaya Legenda National Park. Рис. 14. Локалитеты на территории Приморского краЯ. КраснаЯ ЗвеЗда — СихотЭ-Алинский Заповедник, красные круги: 1 — остров Фуругельма; 2 — с. ВитЯЗь; 3 — Заповедник «КедроваЯ падь»; 4 — с. Барабаш; 5 — с. Занадворовка.; 6 — остров Попова; 7 — остров Русский; 8–9 — Владивосток, ст. ОкеанскаЯ и ботанический сад; 10 — с. Каймановка; 11 — Ханкайский Заповденик, "Сопка ЛуЗанова"; 12 — Спасск-Дальний; 13 — с. Чугуевка; 14 — национальный парк "УдыгейскаЯ легенда".
Figs 15–17 in New data on water beetles (Coleoptera: Gyrinidae, Haliplidae, Noteridae, Dytiscidae, Hydrophilidae, Elmidae) of Primorsky Krai (Russia)
Figs 15–17. Enochrus japonicus (Sharp, 1873): 15 — habitus, dorsal view; 16 — fifth ventrite; 17 — aedeagus. Photographs by K.V. Makarov (15) and A.A. Prokin (16–17). Рис. 15–17. Enochrus japonicus (Sharp, 1873): 15 — габитус, сверху; 16 — пЯтый вентрит; 17 — Эдеагус. Фотографии К.В. Макарова (15) и А.А. Прокина (16–17).
Fig. 4 Hydraena species aedeagi. A–B Hydraena reflexa Rey, Monte d in The colonisation of the Tyrrhenian Islands by Hydraena water beetles, with Hydraena reflexa Rey, 1884 reinstated as a valid species endemic to Corsica and Sardinia (Coleoptera, Hydraenidae)
Fig. 4 Hydraena species aedeagi. A–B Hydraena reflexa Rey, Monte d'Oro, Corsica; C–E Hydraena pygmaea Waterhouse; C Rio de las Hoyas, Albacete, Spain; D stream above Bacevo, Rila Mts., Bulgaria; E Ruddycleave Water, South Devon, UK. Scale bar = 100 μm
Fig. 3 Hydraena species habitus. A–B Hydraena reflexa Rey, Monte d in The colonisation of the Tyrrhenian Islands by Hydraena water beetles, with Hydraena reflexa Rey, 1884 reinstated as a valid species endemic to Corsica and Sardinia (Coleoptera, Hydraenidae)
Fig. 3 Hydraena species habitus. A–B Hydraena reflexa Rey, Monte d'Oro, Corsica; C–D Hydraena pygmaea Waterhouse, Ruddycleave Water, South Devon, UK. A & C males; B & D females. Scale bar = 1.0 mm
FIGURES 44–45 in Taxonomy of water beetles in the genus Hydrochus Leach, 1817, from Bolivia, Brazil and Paraguay (Coleoptera: Hydrochidae)
FIGURES 44–45. Habitus and male genitalia of holotypes. 44. Hydrochus longissimus n. sp. 45. Hydrochus casuarius n. sp.
Figure 4 in Karyotypes of water scavenger beetles (Coleoptera: Hydrophilidae): new data and review of published records
Figure 4. Mitotic karyotypes of Hydrobius. A–C, Hydrobius fuscipes, testes. D, Hydrobius arcticus, midgut. E, Hydrobius rottenbergii, testes. F–H, Hydrobius subrotundus (F, midgut; G–H, testes). I, Hydrobius pui, testes. A, D–I, without treatment. B, C, C-banded. J, habitus of Hydrobius fuscipes.
Figure 7 in Karyotypes of water scavenger beetles (Coleoptera: Hydrophilidae): new data and review of published records
Figure 7. Mitotic karyotypes of Chaetarthriinae from the midgut. A–C: Anacaena: (A) Anacaena gaetanae; (B–C) Anacaena lutescens (B, sexually reproducing specimen; C, parthenogenetic female). E–J, Horelophus walkeri. L, Chaetarthria simillima. A, C-banded; B, C, E–J, L, without treatment. Habitus figures: (D) karyotyped voucher of Anacaena gaetanae; (K) Horelophus walkeri, from Fikáček et al. (2012a); (M) Chaetarthria seminulum, from Fikáček & Liu (2019).
Figures 23–30 in Larval chaetotaxy and morphology are highly homoplastic yet phylogenetically informative in Hydrobiusini water scavenger beetles (Coleoptera: Hydrophilidae)
Figures 23–30. Larva of Hydramara argentina, first instar (23–26) and third instar (27–30). 23, 27, antenna, dorsal view. 24, 28, right mandible, dorsal view. 25, 29, maxilla, dorsal view. 26, 30, maxilla, ventral view. Scale bars: 0.05 mm.
FIGURES 25–36 in Giant water scavenger beetles Hydrophilus subgenus Dibolocelus (Coleoptera Hydrophilidae) from Mexico with description of two new species
FIGURES 25–36. Morphological structures and male genitalia of Hydrophilus (Dibolocelus) spp. 25–28 H. (D.) violaceonitens sp. nov.; 25 ventral view of head (arrow: third labial palpomere); 26 protibia and tarsi, 27 ventral view of abdomen; 28a aedeagus ventral; 28b aedeagus dorsal; 29–32 H. (D.) pollens Sharp; 29 ventral view of head (arrow: third labial palpomere); 30 protibia and tarsi, 31 ventral view of abdomen; 32 aedeagus ventral; 33–36 H. (D.) cf. purpurascens (Régimbart); 33 ventral view of head (arrow: third labial palpomere); 34 protibia and tarsi (arrow: subrectangular row of hard setae); 35 ventral view of abdomen; 36a aedeagus ventral; 36b aedeagus dorsal.
FIGURES 1–6 in Giant water scavenger beetles Hydrophilus subgenus Dibolocelus (Coleoptera Hydrophilidae) from Mexico with description of two new species
FIGURES 1–6. Dorsal and ventral view of Hydrophilus (Dibolocelus) spp. 1–2 H. (D.) ovatus Gemminger & Harold; 3–4 H. (D.) pseudovatus sp. nov.; 5–6 H. (D.) nucleoensis sp. nov.
FIGURES 41–43 in Giant water scavenger beetles Hydrophilus subgenus Dibolocelus (Coleoptera Hydrophilidae) from Mexico with description of two new species
FIGURES 41–43 Geographical distribution of Hydrophilus (Dibolocelus) spp. in Mexico and Central America; 41 red circles: H. (D.) pseudovatus sp. nov., yellow circles: H. (D.) ovatus Gemminger & Harold; 42 blue circles: H. (D.) nucleoensis sp. nov., red circles: H. (D.) cf. purpurascens (Régimbart); 43 red circles: H. (D.) violaceonitens, green circle: H. (D.) pollens Sharp.
FIGURE 5 in Taxonomic revision of African water beetles in the genus Ochthebius Leach (1815) subgenus Aulacochthebius Kuwert (1887) (Coleoptera: Hydraenidae)
FIGURE 5. Aedeagus of O. (A.) continentalis, showing the folded and gradually unfolding condition of the flagellum.
FIGURE 10 in Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae)
FIGURE 10. Hydrochus pseudosecretus Oliva, habitus and male genitalia.
FIGURE 8 in Taxonomy of Venezuelan water beetles in the genus Hydrochus Leach, 1817, and an analysis of male genitalia morphology (Coleoptera: Hydrochidae)
FIGURE 8. Hydrochus ducalis Knisch, habitus and male genitalia.
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