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78 results for “Pyrgomorphidae”
FIGURE 1 in Developing a database of Australian grasshopper occurrences from historic field survey notebooks spanning 54 years (Orthoptera: Acrididae, Morabidae, Pyrgomorphidae, Tetrigidae)
FIGURE 1 First page of field notebook number 156. This trip was conducted from Port Augusta to Norseman, Western Australia, by Ken Key, Murray S Upton and Jim Balderson from 28/9/1963 to 23/10/1963. Plant specimens were identified by Nancy T Burbidge. On 28th of September, they started from Mildura, took Arumpo road at a vehicle odometer 6827 and travelled 6 mi to reach 6833. Site description and general observations for collection at stop 6833: Flat with sparse belah and Callitris robusta to 25 ft on pale brown sandy loam with?Cassia sp. abundant to 8 ft and regrowth. Ground layer of Bassia spp. and Kochia spp. to 6 in. and occasional Kochia?pyramidata to 2 ft barley grass and succulents drying off, considerable bare ground. Return. Grasshoppers collected at this site: Cratilopus sp. 1, Chortoicetes terminifera, Caperrala sp. 1 (j.), Apotropis vittata (j.).
FIGURE 4 in Developing a database of Australian grasshopper occurrences from historic field survey notebooks spanning 54 years (Orthoptera: Acrididae, Morabidae, Pyrgomorphidae, Tetrigidae)
FIGURE 4 Comparison of survey consistency among different surveyors. (a) Between-site distance maintained by different lead surveyors. (b) The total number of grasshoppers recorded per site by different lead surveyors. Numbers in the middle of boxplot show median value. (c) Seasonal variation in the number of species counted per site by different lead surveyors. (d) Proportion of total surveys conducted in each season by different surveyors. Values on pie charts show the number of surveys conducted by each surveyor. Seasons are indicated by colours.
FIGURE 3 in Developing a database of Australian grasshopper occurrences from historic field survey notebooks spanning 54 years (Orthoptera: Acrididae, Morabidae, Pyrgomorphidae, Tetrigidae)
FIGURE 3 Spatial bias in historic grasshopper surveys in Western Australia and Tasmania (inset). (a) Thiessen polygon network drawn based on survey sites as centre of each polygon, showing the intensity of survey activity; the smaller polygons, the more intensive the survey activity because each polygon represents a sampling site. Colours in the background represent bioregions. (b) Bioregions bias: Positive scores indicate positive survey bias (higher survey effort than expected from a random allocation) and vice versa. Bars on right side of vertical dash line represent Tasmania. Bioregions were abbreviated as: AvWh, Avon Wheatbelt; BL, Ben Lomond; Ca, Carnarvon; CeKi, Central Kimberley; CeRa, Central Ranges; Co, Coolgardie; Da, Dampierland; EsPl, Esperance plains; F, Furneaux; Ga, Gascoyne; GeSa, Geraldton Sandplains; GiDe, Gibson Desert; GrSaDe, Great Sandy Desert; GrViDe, Great Victorian Desert; Ha, Hampton; JaFo, Jarrah Forest; K, King; LiSaDe, Little Sandy Desert; Ma, Mallee; Mu, Murchison; NoKi, Northern Kimberley; Nu, Nullarbor; OrViPl, Ord Victoria Plain; Pi, Pilbara; SwCoPl, Southwest Coastal Plain; Ta, Tanami; TCH, Tasmanian Central Highlands; TNM, Tasmanian Northern Midlands; TNS, Tasmanian Northern Slopes; TSE, Tasmanian South East; TSR, Tasmanian Southern Ranges; TW, Tasmanian West; ViBo, Victorian Bonaparte; Wa, Warren; Ya, Yalgoo.
FIGURE 2 in Developing a database of Australian grasshopper occurrences from historic field survey notebooks spanning 54 years (Orthoptera: Acrididae, Morabidae, Pyrgomorphidae, Tetrigidae)
FIGURE 2 Grasshopper species count and survey effort in Western Australia and Tasmania (inset) per 50-km grid cells. Only records with both genus and species (either confirmed based on formal taxonomy for genus and species or putative taxonomy used for genus or species) names were included in these analyses. (a) Species richness (total number of recorded species per cell); (b) total number of survey sites per cell; (c) for each cell, the average number of species per survey site. No survey was conducted in white cells. Bioregions were abbreviated as: Ca, Carnarvon; CeKi, Central Kimberley; Co, Coolgardie; Da, Dampierland; EsPl, Esperance Plains; Ga, Gascoyne; Ha, Hampton; Nu, Nullarbor; Pi, Pilbara; SwCoPl, Southwest Coastal Plains; ViBo, Victorian Bonaparte.
Figs 13–17 in Two new species of grasshopper from China (Orthoptera: Pyrgomorphidae)
Figs 13–17. Tagasta nigritibia sp. nov. 13–14. Head and pronotum, dorsal and lateral views, ♂. 15. Terminalia, dorsal view, ♂. 16. Epiphallus, dorsal view. 17. Phallic complex, lateral view. Scale bars = 1 mm.
Figs 5–12 in Two new species of grasshopper from China (Orthoptera: Pyrgomorphidae)
Figs 5–12. Chlorizeina yunnana sp. nov. 5–6. Head and pronotum, dorsal and lateral views, ♂. 7–8. Cerci, lateral views, ♂. 9–10. Terminalia, dorsal view, ♂. 11. Phallic complex, lateral view. 12. Epiphallus, dorsal view. Scale bars = 1 mm.
Figs 1–4. Adults. 1–2 in Two new species of grasshopper from China (Orthoptera: Pyrgomorphidae)
Figs 1–4. Adults. 1–2. Chlorizeina yunnana sp. nov., habitus, lateral view, ♂, ♀. 3–4. Tagasta nigritibia sp. nov., habitus, lateral and dorsal views, ♂. Scale bars = 5 mm.
Linked collectors and determiners for: Integrative taxonomy reveals cryptic diversity in neotropical grasshoppers: taxonomy, phylogenetics, and evolution of the genus Sphenarium Charpentier, 1842 (Orthoptera: Pyrgomorphidae).
Natural history specimen data linked to collectors and determiners held within, "Integrative taxonomy reveals cryptic diversity in neotropical grasshoppers: taxonomy, phylogenetics, and evolution of the genus Sphenarium Charpentier, 1842 (Orthoptera: Pyrgomorphidae)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/c7ffebb0-4bea-4c4d-8873-96db1864f598">https://bionomia.net/dataset/c7ffebb0-4bea-4c4d-8873-96db1864f598</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/c7ffebb0-4bea-4c4d-8873-96db1864f598">https://gbif.org/dataset/c7ffebb0-4bea-4c4d-8873-96db1864f598</a>. Formatted as a Frictionless Data package.
Data from: Developing a database of Australian grasshopper occurrences from historic field survey notebooks spanning 54 years (Orthoptera: Acrididae, Morabidae, Pyrgomorphidae, Tetrigidae)
<p>The baseline distribution data for all species of a given group in a region can provide fundamental insights into biogeographic questions about historic patterns of species richness, population trends, and extinction. Grasshoppers are one major group of insects for which a continent-wide perspective on their geographic distribution can be obtained. This is because they were extensively surveyed in Australia for 54 years (1936-1989) as part of Commonwealth expeditions to obtain specimens for the Australian National Insect Collection (ANIC). Field notebooks recorded from those surveys, under the direction of ANIC curator and director K. H. L. Key, form the principal source of historic distribution records for grasshoppers in Australia. We digitized all 223 notebooks (2486 pages) and transcribed all the field trips conducted in Western Australia (WA) and Tasmania (47 notebooks, 590 pages). We then carefully geocoded all sampling sites of the transcribed notebooks, following the odometer readings and descriptions of routes from a suitable reference point using historic topographic maps and Google Earth. In total, we extracted 8975 geographic coordinates for 477 species having a confirmed or putative taxonomic name of (only 170 of these species have been formally described). We found that species richness varied spatially, with highest richness in arid interior and north of WA. Historic grasshopper surveys were non-randomly distributed across both WA and Tasmania with the highest survey intensity around coastal regions. Variation was observed among surveyors in terms of the number of species detected per site, between-site distance, and the season of survey being conducted. Overall, however, the dataset is among the most comprehensive continent-wide surveys of Australian invertebrates and will greatly facilitate future work on their ecology, biogeography, conservation, and responses to environmental change.</p>
Data from: Developing a database of Australian grasshopper occurrences from historic field survey notebooks spanning 54 years (Orthoptera: Acrididae, Morabidae, Pyrgomorphidae, Tetrigidae)
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Interpopulation variation in sexual dichromatism in the neotropical grasshopper Sphenarium purpurascens (Orthoptera: pyrgomorphidae).
<p>Cryptic coloration is an adaptative defensive mechanism against predators. Color patterns can become cryptic through background coloration-matching and disruptive coloration. Disruptive coloration may evolve in visually heterogeneous microhabitats, whereas background matching could be favored in chromatically homogeneous microhabitats. In this work, we used digital photography to explore the potential use of disruptive coloration and background matching in males and females of the neotropical grasshopper <em>Sphenarium purpurascens</em> in different habitats. We found chromatic differences in the three habitats and sexual dichromatism that may be explained by local adaptation. Even though females and males are sexually dichromatic, there are interpopulation differences in the magnitude of the sexual dichromatism. In an environment highly contrasting, but visually homogeneous, both males and females seem to follow mainly a disruptive strategy, whereas in highly contrasting and heterogeneous environments males and females seem to follow different color cryptic strategies, males are more disruptive than females. In contrast, females have a high background matching with less disruptive elements. The predators’ selective pressures in different microhabitats and the differences in mobility between sexes may explain the color pattern divergence between females and males.</p>
FIGURE 21 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 21. Lateral and dorsal views of Pyrgomorphidae species occurring in Indian subcontinent. (A, C) Anarchita aptera; (B, D) Neorthacris acuticeps acuticeps; (E, G) Nilgiracris raoi; (F, H) Orthacris incongruens. Scale bar = 5mm.
FIGURE 17 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 17. Epiphalli of (A) Pyrgomorpha; (B) Pseudomorphacris; (C) Atractomorpha; (D) Tagasta. Scale bar = 0.5mm.
FIGURE 16 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 16. Lateral and dorsal views of the head for (A, E) Pyrgomorpha; (B, F) Pseudomorphacris; (C, G) Atractomorpha; (D, H) Tagasta.
FIGURE 9 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 9. Antenna length variation and head shape in some apterous Pyrgomorphidae. (A) Anarchita; (B) Nilgiracris; (C) Neorthacris; (D) Orthacris.
FIGURE 15 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 15. Lateral view of head and pronotum. (A) Pseudomorphacris; (B) Pyrgomorpha; (C) Pterorthacris; (D) Poekilocerus; (E) Aularches.
FIGURE 1 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 1. External morphology of Pyrgomorphidae. Shown here are dorsal and lateral views of a male specimen of Poekilocerus pictus (Fabricius, 1775).
FIGURE 7 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 7. Wing length variation in Pyrgomorphidae. Apterous: (A) Nilgiracris, (B) Orthacris, (C) Mekongiella; Micropterous: (D) Colemania; Brachypterous: (E) Zarytes; Macropterous: (F) Atractomorpha.
FIGURE 4 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 4. Dorsal views of pronotum from various Pyrgomorphidae genera. (A) Chrotogonus; (B) Orthacris; (C) Nilgiracris; (D) Poekilocerus; (E) Mekongiella
FIGURE 14 in An Illustrated Key of Pyrgomorphidae (Orthoptera: Caelifera) of the Indian Subcontinent Region
FIGURE 14. Epiphallus and dorsal view of phallic complex of (A, C) Chlorizeina; (B, D) Zarytes. Scale bar = 0.5mm.
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