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102 results for “Fossil insects”
Figure 1. A in How long can insect species exist? Evidence from extant and fossil Micromalthus beetles (Insecta: Coleoptera)
Figure 1. A, photograph of Micromalthus debilis in Dominican amber (MTEC226, MSU Bozeman, USA), female specimen. B, extant female M. debilis in dorsal view. The abdomen appears comparatively short in the extant specimen because of (1) perspective distortion because the abdomen is bent downward and (2) because the segments are retracted. Arrows mark the protruding edges of two segments; in (A) the segments are fully extended.
Figure 3. A–C in How long can insect species exist? Evidence from extant and fossil Micromalthus beetles (Insecta: Coleoptera)
Figure 3. A–C, photographs of heads of Dominican amber specimens of Micromalthus from the Poinar collection. A, coll.no. C 7-191°.B, coll.no. C 7-191B. C, coll.no. C 7-191C. D, scanning electron micrograph of left antenna of extant specimen of Micromalthus debilis, dorsal view.
Figure 2 in How long can insect species exist? Evidence from extant and fossil Micromalthus beetles (Insecta: Coleoptera)
Figure 2. Micromalthus debilis from Dominican amber (MTEC226 MTU Bozeman, USA). A, dorsal view. B, ventral view, wings omitted, mouthparts and mesothorax obscured by white, foggy substance. A cloud of this substance also surrounds the last three abdominal segments. C, reconstruction of wing venation of fossil specimen. Nomenclature of wing veins after Wallace & Fox (1975). Scale bars = 0.5 mm.
Data from: Ovipositor and mouthparts in a fossil insect support a novel ecological role for early orthopterans in 300 million years old forests
<p>A high portion of the earliest known, Pennsylvanian, insect fauna is composed of the so-called 'lobeattid insects', which systematic affinities and role as foliage feeders remain debated. We investigated hundreds of samples of a new lobeattid species from the Xiaheyan locality using a combination of photographic techniques, including Reflectance Transforming Imaging, and geometric morphometrics, to document its morphology, and infer its phylogenetic position and ecological role. <i>Ctenoptilus frequens</i> sp. nov. possessed a sword-shaped ovipositor whose valves interlocked by two ball-and-socket mechanisms. This unambiguously supports lobeattids as stem-relatives of all living Orthoptera (crickets, grasshoppers, katydids). Given the herein presented and other remains, it follows that this group experienced an early diversification coupled with high numbers of individuals. The ovipositor shape additionally indicates that ground was the preferred substrate for eggs. Visible mouthparts made it possible to assess the efficiency of the mandibular food uptake system in comparison to a wide array of extant species. The new species was omnivorous which explains the paucity of external damage on contemporaneous plant foliage.</p>
FIGURE 1 in New material of Paleopsychoda jarzembowskii Azar & Maksoud, 2022 from Bqaatouta amber outcrop, showing the importance of insect fossils in biostratigraphy
FIGURE 1. Paleopsychoda jarzembowskii, male, specimen number BKT-9A (Maalouf collection). A, Microphotograph of habitus. B, Microphotograph of head and antenna. C, Microphotograph of maxillary palp. D, Microphotograph of wing. E, Microphotograph of detail of anterior sub-basal part of the inflated costal vein inflated, showing male sexual dimorphism. F, Microphotograph of male genitalia. Scale bars = 0.5 mm in A, 0.3 mm in B and D, 0.1 mm in C, E and F.
Data from: Reinvestigation of Protelytron permianum (Insecta; Early Permian; USA) as an example for applying reflectance transformation imaging to insect imprint fossils
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Data from: Ovipositor and mouthparts in a fossil insect support a novel ecological role for early orthopterans in 300 million years old forests
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Data from: Walking on ashes: insect trace fossils from Laetoli indicate poor grass cover associated with early hominin environments
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FIGURE 1 in Zorotypus hukawngi sp. nov., a Fossil Winged Zoraptera (Insect) in Burmese Amber
FIGURE 1. Dorsal habitus of Zorotypus hukawngi sp. nov., female. Scale bar: 1.0 mm.
FIGURE 24 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 24. Strict consensus of the 32 most parsimonious trees retrieved from TNT using 112 taxa (fossil + Recent) and 174 morphological characters. The tree is divided into three parts, A (opposite page), B (above), and C (next page). Fossil taxa are represented in bold. Unambiguous characters were mapped as dots on branches with, black dots = unique change, white dots = multiple changes. Branch supports are indicated above branches for Bremer and below branches for jackknife supports (below)>20 (P = 36).
FIGURE 9 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 9. Photomicrographs of the new species of Apticoccus. (A) Dorsal surface of Apticoccus fortis, n. sp., holotype HAM-1669A. (B) Dorsal and (C) ventral surfaces of Apticoccus longitenuis, n. sp., holotype AD-20.
FIGURE 4 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 4. Details of Kozarius achronus, n. sp. (A) Ventral view of head. (B) Dorsal view of head. (C) Dorsal view of mesothorax. (D) Basisternum. (E) Apical antennal segments. (F) Leg from tibia. (G) Dorsal view of posterior abdominal segments and penial sheath, with wax filaments.
FIGURE 7 in Diverse new scale insects (Hemiptera: Coccoidea) in amber from the Cretaceous and Eocene with a phylogenetic framework for fossil Coccoidea
FIGURE 7. Details of Hodgsonicoccus patefactus, n. sp. (A) Head from right lateral view. (B) Antenna. (C) Tarsus and claw. (D) Fore wing. (E) Hamulohaltere. (F) Left lateral view of penial sheath.
Figure 4 from: Tribull CM, Pankowski MV, Colombo WD (2021) A new genus and species of Pristocerinae (Hymenoptera, Bethylidae) from upper Eocene Baltic amber with a review of conspecific association from insect fossils. Journal of Hymenoptera Research 85: 119-133. https://doi.org/10.3897/jhr.85.68658
Figure 4 †Archeonesia eocena Tribull, Pankowski & Colombo, gen. et. sp. nov., male holotype A head, ventro-frontal view B metasoma, ventral view C prothorax and mesothorax, dorsal view D mesosoma, ventral view E wings, dorsal view. Scale bars: 500 μm (C); 1 mm (A, B, D, E).
Figure 1 from: Tribull CM, Pankowski MV, Colombo WD (2021) A new genus and species of Pristocerinae (Hymenoptera, Bethylidae) from upper Eocene Baltic amber with a review of conspecific association from insect fossils. Journal of Hymenoptera Research 85: 119-133. https://doi.org/10.3897/jhr.85.68658
Figure 1 †Archeonesia eocena Tribull, Pankowski & Colombo, gen. et. sp. nov. A dorsal habitus of male holotype and female allotype B ventral habitus of male holotype and female allotype. Scale bars: 1 mm (A, B).
Figure 3 from: Tribull CM, Pankowski MV, Colombo WD (2021) A new genus and species of Pristocerinae (Hymenoptera, Bethylidae) from upper Eocene Baltic amber with a review of conspecific association from insect fossils. Journal of Hymenoptera Research 85: 119-133. https://doi.org/10.3897/jhr.85.68658
Figure 3 †Archeonesia eocena Tribull, Pankowski & Colombo, gen. et. sp. nov. Illustration of ventral habitus of male holotype and female allotype. Scale bar: 1 mm.
Figure 5 from: Tribull CM, Pankowski MV, Colombo WD (2021) A new genus and species of Pristocerinae (Hymenoptera, Bethylidae) from upper Eocene Baltic amber with a review of conspecific association from insect fossils. Journal of Hymenoptera Research 85: 119-133. https://doi.org/10.3897/jhr.85.68658
Figure 5 †Archeonesia eocena Tribull, Pankowski & Colombo, gen. et. sp. nov., female allotype A habitus, dorsal view B habitus, ventral view C head, ventro-lateral view D eye, with red arrow pointing to lower margin. Scale bars: 650 μm (D), 1 mm (A–C).
Figure 2 from: Tribull CM, Pankowski MV, Colombo WD (2021) A new genus and species of Pristocerinae (Hymenoptera, Bethylidae) from upper Eocene Baltic amber with a review of conspecific association from insect fossils. Journal of Hymenoptera Research 85: 119-133. https://doi.org/10.3897/jhr.85.68658
Figure 2 †Archeonesia eocena Tribull, Pankowski & Colombo, gen. et. sp. nov. Illustration of dorsal habitus of male holotype and female allotype. Scale bar: 1 mm.
Fig. 2 in The entomofauna of the Lower Permian fossil insect beds of Kansas and Oklahoma, USA
Fig. 2. (A) Elias H. Sellards (1875–1961) discovered the Elmo fossil beds (photo courtesy of the Texas Memorial Museum); (B) Robin J. Tillyard (1881–1937) studied Elmo fossils for a period of 16 years, carrying out his research in New Zealand and Australia. Eventually all the fossil specimens he worked with were returned to the Yale Peabody Museum (photo courtesy of the late Faith Tillyard Evans, Tillyard's daughter); (C) Frank M. Carpenter (1902–1994), of the Harvard Museum of Comparative Zoology and the dean of American palaeoentomologists, published definitive studies of the Elmo specimens over a period of some 60 years (photo courtesy of George Byers, University of Kansas).
Data from: Taphonomic biases in the insect fossil record: shifts in articulation over geologic time
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.