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300 results for “longhorn beetle”
FIGURES 21–26. 21. Rhagium qinghaiense Chen & Chiang 2000 in Primary types of longhorned beetles (Coleoptera, Cerambycidae, Vesperidae and Disteniidae) of Southwest University (SWU)
FIGURES 21–26. 21. Rhagium qinghaiense Chen & Chiang 2000 (a, holotype; b. labels). 22. Rhondia hubeiensis Wang & Chiang, 1994 (Figs. 22a, b) (a, holotype; b. labels). 23. Sinostrangalis simianshana Chen & Chiang, 2000 (a, holotype; b. labels). 24. Stenocorus fuscodorsalis Chen & Chiang, 1996 (a, holotype; b. labels). 25. Stenocorus schizotarsus Chen & Chiang, 2002 (a, holotype; b. labels).26. Strangalia (Pygostrangalia) gigantia Chiang, 1981 (a, holotype; b. labels).
FIGURES 40–45. 40. Anoplophora parelegans Chiang, 1981 in Primary types of longhorned beetles (Coleoptera, Cerambycidae, Vesperidae and Disteniidae) of Southwest University (SWU)
FIGURES 40–45. 40. Anoplophora parelegans Chiang, 1981 (a, holotype; b. labels). 41. Anoplophora viriantennatus Wang & Chiang, 1998 (a, holotype; b. labels). 42. Asaperda chongqingensis Chen & Chiang, 1993 (a, holotype; b. labels). 43. Blepephaeus nigrostigma Wang & Chiang, 1998 (a, holotype; b. labels). 44. Cleptometopus motuoensis Wang & Chiang, 1999 (a, holotype; b. labels). 45. Euseboides motuoensis Huang, Chen & Li, 2015 (a, holotype; b. labels).
FIGURES 12–14. 12 in Primary types of longhorned beetles (Coleoptera, Cerambycidae, Vesperidae and Disteniidae) of Southwest University (SWU)
FIGURES 12–14. 12. Aegolipton yunnanensis Feng & Chen, 2007 (a, holotype; b. labels). 13. Megopis (Spinimegopis) guangxiensis Feng & Chen, 2009 (a, holotype; b. labels). 14. Sarmydus trichodes Feng & Chen, 2006 (a, holotype; b. labels).
Data from: Species' traits explain differences in Red list status and long-term population trends in longhorn beetles
Some species are more likely to go extinct than others and this is partially due to species' traits. Therefore, it is important to establish links between traits and extinction risks. Different aspects of a species' biology also relates to different sources of threat, such as fragmented populations or low population growth rate. In a comparative study of Swedish longhorn beetles (Coleoptera: Cerambycidae), we related species' traits to two aspects of extinction risk – population decline and small/fragmented populations – measured by long-term population trends and IUCN Red list classifications. Trait relationships were analysed with generalized linear models and multi-model inference. We found that extinction risk generally increased with longer generation times, corresponding to slower life histories. Adult activity period was also related to both metrics of extinction risk, but in different ways. We also found that extinction risk increased with larval host plant specialization, but only for Red list classification. Large body size was related to increased Red list classification in species overwintering as adults, and overwintering stage also structured the effects of several other traits. Our results show that both intrinsic demographic traits and ecological traits affect extinction risks, and also suggest that risks are shaped by multiple mechanisms. Therefore, researchers should carefully choose their metric of extinction risk for comparative studies, as the Red list classification may best capture current risk, whereas population trends can be used more proactively but may reflect historical relationships between traits and extinction risk.
FIGURE 3. A in The first longhorned beetle record for the Prepuna in the Bolivian Andes and Potosi Department in Bolivia: a new species of Dirocoremia (Coleoptera: Cerambycidae: Rhopalophorini)
FIGURE 3. A, Coremia bruchi (Gounelle, 1905), holotype male, Argentina, Tucuman prov., Tapia, 600 m, G.A. Baer leg., 3-4 1903, BMNH (E) 1269328 (BMNH); B, Dirocoremia ingae (Marques, 1994), paratype male, Brazil, Sâo Paulo, ltu, 13.XI.1960, U. Martins leg. (MZSP).
FIGURE 2 in The first longhorned beetle record for the Prepuna in the Bolivian Andes and Potosi Department in Bolivia: a new species of Dirocoremia (Coleoptera: Cerambycidae: Rhopalophorini)
FIGURE 2. Dirocoremia tupizai sp. n., holotype male (CBF); A, habitus dorsal, scale bar 2 mm; B, head and pronotum dorsal, scale bar 1 mm; C, head; D, prothorax ventral; scale bar 1 mm.
FIGURE 1. A in The first longhorned beetle record for the Prepuna in the Bolivian Andes and Potosi Department in Bolivia: a new species of Dirocoremia (Coleoptera: Cerambycidae: Rhopalophorini)
FIGURE 1. A, map of Bolivia, (a) study area, Tupiza, Potosi department; B, habitat of Dirocoremia tupizai sp. n.
FIGURE 4 in The first longhorned beetle record for the Prepuna in the Bolivian Andes and Potosi Department in Bolivia: a new species of Dirocoremia (Coleoptera: Cerambycidae: Rhopalophorini)
FIGURE 4. Metatibia, lateral, A, Dirocoremia bruchi, male, Entre Rios, Argentina (WH); B, D. tupizai sp. n., paratype male (CBF) (arrow indicating constriction).
FIGURES 5–6 in On the validity of some species names of South American longhorn beetles (Coleoptera, Cerambycidae)
FIGURES 5–6. Caciomorpha genalis (Aurivillius, 1908) (Lamiinae, Anisocerini): 5) Ordinary specimen of C. genalis. 6) Holotype of Tetrasarus lineatus Bréthes, 1920, junior synonym of C. genalis.
FIGURES 3–4. Leptostylus LeConte, 1852 in On the validity of some species names of South American longhorn beetles (Coleoptera, Cerambycidae)
FIGURES 3–4. Leptostylus LeConte, 1852 (Lamiinae, Acanthocinini) 3) Leptostylus ovalis Bates, 1863. 4) Leptostylus neivai Melzer, 1930
FIGURES 1–2 in On the validity of some species names of South American longhorn beetles (Coleoptera, Cerambycidae)
FIGURES 1–2. Centrocerum variatum (Newman, 1841) (Cerambycinae, Elaphidiini): 1) Holotype of Trichophorus variatus Newman: 1a) Dorsal view; 1b) Labels. 2) Examined syntype of Elaphidion elegans Chevrolat, 1861, junior synonym of C. variatum.
FIGURE 1 in A checklist of longhorn beetles (Coleoptera: Cerambycidae) of Serbia
FIGURE 1. Map of Serbia with two autonomous provinces and regions. N—Northern Serbia; W—Western Serbia; C—Central Serbia; E—Eastern Serbia; S—Southern Serbia.
Fig. 2 in Notes on Biology and Sexual Behavior of Tetrasarus platoBates (Coleoptera: Cerambycidae), a Tropical Longhorn Beetle in Coffee Plantations in Chiapas, Mexico
Fig. 2. Diagram of sexual behavior between male and female T. plato under laboratory conditions. Values inside squares are probabilities.
Fig. 1. A in Notes on Biology and Sexual Behavior of Tetrasarus platoBates (Coleoptera: Cerambycidae), a Tropical Longhorn Beetle in Coffee Plantations in Chiapas, Mexico
Fig. 1. A) Daily mating activity of 30 pairs of T. plato under laboratory conditions. B) Daily mating activity of 30 pairs of T. plato under field conditions.
Fig. 3 in Notes on Biology and Sexual Behavior of Tetrasarus platoBates (Coleoptera: Cerambycidae), a Tropical Longhorn Beetle in Coffee Plantations in Chiapas, Mexico
Fig. 3. Diagram of sexual behavior between male and female T. plato under field conditions. Values inside squares are probabilities.
Cold tolerance of laboratory-reared Asian longhorned beetles
<p>Low winter temperatures in temperate climates can limit the success of non-native species. The Asian longhorned beetle, <i>Anoplophora glabripennis</i>, is an invasive wood-boring pest of hardwood trees in North America and Europe. Native<em> </em><i><em>A. gl</em>abripennis </i>populations are spread across several climate zones in China and the Korean Peninsula and are likely to encounter low temperatures in at least some of this range. Understanding the lethal limits of the overwintering life stages of <i>A. glabripennis</i> is essential for accurately modeling the risk that invasive populations pose to non-native environments. In this study, we provide the first systematic characterization of the cold tolerance strategy and lower lethal limits of <i>A. glabripennis </i>eggs, larvae, and pupae. In diapausing larvae, the most common overwintering stage in this species, we measure hemolymph glycerol and osmolality and identify the effects of prolonged low temperature exposure. In developing pupae, we identify sublethal effects caused by low temperature exposure before freezing. Eggs and larvae were the most cold-tolerant life stages; eggs were freeze-avoidant with an average supercooling point of -25.8 °C and larvae were freeze tolerant with an LT<sub>90</sub> of -25 °C. Hemolymph osmolality of freeze-tolerant larvae, on average, increased to 811 mOsm during chilling. This increase was primarily driven by a concurrent, average increase of 232 mM hemolymph glycerol. Pupae died upon exposure to freezing temperatures, but accumulate strong sublethal effects prior to freezing, indicating that they are chill susceptible. Taken together, these data will be useful to inform species distribution modeling in <i>A. glabripennis</i>.</p>
FIGURE 8 in Longhorned beetles (Coleoptera: Cerambycidae) of southeastern Mongolia with particular emphasis on the genus Anoplistes Audinet-Serville, 1833 (Cerambycinae: Trachyderini)
FIGURE 8. Habitus of longhorned beetle taxa distributed in the region of SE Mongolia (genus Eodorcadion). A, Eodorcadion intermedium intermedium (male); B, E. intermedium intermedium (female); C, Eodorcadion zichyi (male); D, Eodorcadion exaratum argali (male); E, E. exaratum argali (male); F, E. exaratum argali (female); G, E. exaratum argali (female, melanistic form); H, Eodorcadion chinganicum darigangense (female); I, Eodorcadion carinatum involvens (male); J, E. carinatum involvens (female); K, Eodorcadion humerale impluviatum (male); L, E. humerale impluviatum (female). Scale bar: 5 mm.
FIGURE 7 in Longhorned beetles (Coleoptera: Cerambycidae) of southeastern Mongolia with particular emphasis on the genus Anoplistes Audinet-Serville, 1833 (Cerambycinae: Trachyderini)
FIGURE 7. Habitus of longhorned beetle taxa distributed in the region of SE Mongolia (genus Eodorcadion). A, Eodorcadion gorbunovi (male, type locality area); B, E. gorbunovi (male, ibid); C, E. gorbunovi (female, ibid); D, E. gorbunovi (female, ibid); E, E. gorbunovi (male, Shokhoi-Nuur Lake area— erroneous locality of E. argaloides); F, E. gorbunovi (male, ibid); G, E. gorbunovi (female, ibid); H, E. gorbunovi (female, ibid); I, Eodorcadion intermedium kozlovi (male); J, E. intermedium kozlovi (male); K, E. intermedium kozlovi (female); L, E. intermedium kozlovi (female). Scale bar: 5 mm.
FIGURE 5 in Longhorned beetles (Coleoptera: Cerambycidae) of southeastern Mongolia with particular emphasis on the genus Anoplistes Audinet-Serville, 1833 (Cerambycinae: Trachyderini)
FIGURE 5. Habitus of longhorned beetle taxa distributed in the region of SE Mongolia (subfamilies Apatophyseinae and Cerambycinae). A, Apatophysis serricornis (female); B, Polyzonus fasciatus (male); C, P. fasciatus (female); D, Chlorophorus caragana (male); E, Ch. caragana (male); F, Ch. caragana (female); G, Ch. caragana (female, atypical form with hairless spot on pronotum and contrasting elytral pattern); H, Ch. obliteratus (female); I, Anoplistes halodendri minutus (male, rock ecotype); J, A. halodendri minutus (male, rock ecotype); K, A. halodendri minutus (female, rock ecotype); L, A. halodendri minutus (female, rock ecotype with intermediate elytral pattern). Scale bar: 5 mm.
FIGURE 4 in Longhorned beetles (Coleoptera: Cerambycidae) of southeastern Mongolia with particular emphasis on the genus Anoplistes Audinet-Serville, 1833 (Cerambycinae: Trachyderini)
FIGURE 4. Literature and new records of representatives of the genus Eodorcadion in the region of SE Mongolia (raster layer: OpenTopoMap).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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