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35 results for “Corixidae”
Corixidae of the Montana Entomology Collection, Montana State University
<p>Corixidae (Order Hemiptera) is a widespread and species-rich family of aquatic insects, colloquially called Water Boatmen. The Montana Entomology Collection (MTEC), funded by the Council on Library and Information Resources “Hidden Collections” grant, digitized Corixidae specimens housed in its museum. This produced over 4700 records detailing sampling localities, collecting dates, number of individuals, and identifications of 44 species of Corixidae primarily collected from Montana, USA. Spanning over one century of sampling, the records reveal the efforts of 50 collectors who contributed 5600 individual specimens.</p>
FIGURE 11 in Three new species of genus Cenocorixa (Hemiptera: Heteroptera: Corixidae: Corixinae) from China
FIGURE 11. Cenocorixa montana: a- lateral lobe of prothorax, b- right paramere, c- left paramere d- left paramere, another side view, e -apex of left paramere
FIGURE 6 in Three new species of genus Cenocorixa (Hemiptera: Heteroptera: Corixidae: Corixinae) from China
FIGURE 6. Cenocorixa crestiforma: a- lateral lobe of prothorax, b- right paramere, c- left paramere d- left paramere, another side view.
FIGURE 2 in Three new species of genus Cenocorixa (Hemiptera: Heteroptera: Corixidae: Corixinae) from China
FIGURE 2. Cenocorixa. bui: a- lateral lobe of prothorax, b- right paramere, c- left paramere d- left paramere, another side view.
FIGURES 27–30. Ectemnostega stridulata. 27–28 in Description of the nymphs of Ectemnostega (Ectemnostegella) stridulata (Hungerford 1948) (Hemiptera: Heteroptera: Corixidae)
FIGURES 27–30. Ectemnostega stridulata. 27–28, Metaleg, instar III: 27, anterior surface; 28, posterior surface. 29–30, Metaleg, instar V: 29, anterior surface; 30, posterior surface. AD: anterodorsal; LA: lower area; MA: middle area; UA: upper area; V: ventral. Scale bars in mm: Figs. 27–28= 0.60, Figs. 29–30= 0.80.
FIGURES 10–21. Ectemnostega stridulata. 10–11 in Description of the nymphs of Ectemnostega (Ectemnostegella) stridulata (Hungerford 1948) (Hemiptera: Heteroptera: Corixidae)
FIGURES 10–21. Ectemnostega stridulata. 10–11, Antenna, dorsal surface: 10, instar III; 11, instar V. 12–15, Antenna, ventral surface: 12, instar I; 13, instar II; 14, instar III; 15, instar V. 16–19, Anterior leg, anterior surface: 16, instar I; 17, instar II; 18, instar III; 19, instar IV. 20, Profemur, posterior surface, instar IV. 21, Anterior leg, anterior surface, instar V. A: anterior; AD: anterodorsal; AV: anteroventral; BT: behind tibial comb; CL: claw; DR: dorsal row; LR: lower row; PV: posteroventral; TC: tibial comb; UR: upper row. Scale bars in mm: Figs. 10, 12–14, 16–17= 0.10, Figs. 11, 15, 18= 0.20, Figs. 19–20= 0.30, Fig. 21= 0.40.
FIGURES 25–26. Ectemnostega stridulata. Metaleg, instar I in Description of the nymphs of Ectemnostega (Ectemnostegella) stridulata (Hungerford 1948) (Hemiptera: Heteroptera: Corixidae)
FIGURES 25–26. Ectemnostega stridulata. Metaleg, instar I: 25, anterior surface; 26, posterior surface. A: anterior; AD: anterodorsal; AV: anteroventral; LA: lower area; P: posterior; PD: posterodorsal; PV: posteroventral; TC: tibial comb; UA: upper area. Scale bars: Figs. 25–26= 0.40 mm.
FIGURES 22–24. Ectemnostega stridulata. 22–23 in Description of the nymphs of Ectemnostega (Ectemnostegella) stridulata (Hungerford 1948) (Hemiptera: Heteroptera: Corixidae)
FIGURES 22–24. Ectemnostega stridulata. 22–23, Mesoleg, instar I: 22, anterior surface; 23, posterior surface. 24, Mesoleg, anterior surface, instar V. A: anterior; AD: anterodorsal; AV: anteroventral; D: dorsal; P: posterior; PD: posterodorsal; PV: posteroventral; TC: tibial comb. Scale bars in mm: Figs. 22–23= 0.30, Fig. 24= 0.80.
FIGURES 1–9. Ectemnostega stridulata. 1, Egg. 2–4 in Description of the nymphs of Ectemnostega (Ectemnostegella) stridulata (Hungerford 1948) (Hemiptera: Heteroptera: Corixidae)
FIGURES 1–9. Ectemnostega stridulata. 1, Egg. 2–4, Pterothorax and abdomen, dorsal view: 2, instar I; 3, instar II. 4, instar III. 5, Pterothorax and urotergite I, dorsal view, instar IV. 6, Short lanceolate setae from posterior margin of setose area of mesonotum, instar V. 7, Long lanceolate seta from the internal and posterior margins of metathoracic wing pads, instar V. 8–9, Abdomen, ventral view: 8, instar I; 9, instar II. wp1 L: mesothoracic wing pads length, along midline. Scale bars in mm: Fig. 1= 0.40, Figs. 2, 5, 8= 0.50, Figs. 3–4, 9= 0.70, Fig. 6= 0.20, Fig. 7= 0.30.
FIGURES 25–27 in Description of the immature stages of Trichocorixa mendozana Jaczewski (Hemiptera: Heteroptera: Corixidae)
FIGURES 25–27. Trichocorixa mendozana. Metaleg: 25–26, instar V: 25, anterior surface; 26, posterior surface. 27, apically serrate spines on the posteroventral surface of the metatibia, instar V. Scale bars in mm: Fig. 25= 0.50, Fig. 26= 0.60, Fig. 27= 0.06.
FIGURES 21–24 in Description of the immature stages of Trichocorixa mendozana Jaczewski (Hemiptera: Heteroptera: Corixidae)
FIGURES 21–24. Trichocorixa mendozana. Metaleg: 21–22, instar I: 21, anterior surface; 22, posterior surface. 23–24, instar IV: 23, anterior surface; 24, posterior surface. A: anterior; AD: anterodorsal; AV: anteroventral; LA: lower area; MA: middle area; P: posterior; PD: posterodorsal; PV: posteroventral; TC: tibial comb; UA: upper area; V: ventral. Scale bars in mm: Figs. 21–22= 0.20, Figs. 23–24= 0.30.
FIGURES 15–16 in Description of the immature stages of Trichocorixa mendozana Jaczewski (Hemiptera: Heteroptera: Corixidae)
FIGURES 15–16. Trichocorixa mendozana. Mesoleg: 15–16, instar I: 15, anterior surface; 16, posterior surface. A: anterior; AD: anterodorsal; AV: anteroventral; P: posterior; PV: posteroventral; TC: tibial comb. Scale bars in mm: 0.20.
FIGURES 6–14. Trichocorixa mendozana. 6–9 in Description of the immature stages of Trichocorixa mendozana Jaczewski (Hemiptera: Heteroptera: Corixidae)
FIGURES 6–14. Trichocorixa mendozana. 6–9, Antenna: 6, ventral view, instar I; 7, dorsal view, instar IV; 8, ventral view, instar IV; 9, dorsal view, instar V. 10, lanceolate seta apically truncate on dorsal view of antennal segment II, instar V. 11, antenna, ventral view, instar V. 12–14, proleg, anterior surface: 12, instar I; 13, instar IV; 14, instar V. A: anterior; AD: anterodorsal; AV: anteroventral; BT: behind tibial comb; CL: claw; DR: dorsal row; IS: inner surface; LR: lower row; TC: tibial comb; UR: upper row. Scale bars in mm: Fig. 6 = 0.05, Figs. 7–9, 11 = 0.20, Fig. 10 = 0.03, Fig. 12 = 0.08, Fig. 13 = 0.15, Fig. 14 = 0.30.
FIGURES 1–5. Trichocorixa mendozana. 1, Egg. 2–3 in Description of the immature stages of Trichocorixa mendozana Jaczewski (Hemiptera: Heteroptera: Corixidae)
FIGURES 1–5. Trichocorixa mendozana. 1, Egg. 2–3, Abdomen, instar I: 2, dorsal view; 3, ventral view. 4–5, Pterothorax: 4, instar IV; 5, instar V. Scale bars in mm: Figs. 1–4 = 0.50, Fig. 5 = 1.00.
FIGURES 17–20 in Description of the immature stages of Trichocorixa mendozana Jaczewski (Hemiptera: Heteroptera: Corixidae)
FIGURES 17–20. Trichocorixa mendozana. Mesoleg: 17–18, instar IV: 17, anterior surface; 18, posterior surface. 19–20, instar V: 19, anterior surface; 20, posterior surface. A: anterior; AD: anterodorsal; AV: anteroventral; P: posterior; PV: posteroventral; TC: tibial comb. Scale bars in mm: Figs. 17–18= 0.50, Figs. 19–20= 0.20.
FIGURES 23–24 in Description of the immature stages of Sigara (Tropocorixa) schadei (Hungerford) (Hemiptera: Heteroptera: Corixidae)
FIGURES 23–24. Sigara (Tropocorixa) schadei. 23, metaleg, instar I, posterior surface. 24, metafemur and metatibia, instar V, posterior surface. Scale bars (in mm): Fig. 23= 0.40, Fig. 24 = 0.80.
FIGURES 18–22 in Description of the immature stages of Sigara (Tropocorixa) schadei (Hungerford) (Hemiptera: Heteroptera: Corixidae)
FIGURES 18–22. Sigara (Tropocorixa) schadei. 18, mesoleg, instar I, anterior surface. 19, mesotibia and mesotarsus, instar I, posterior surface. 20–21, metaleg, anterior surface: 20, instar I; 21, instar III. 22, metafemur and metatibia, instar V, anterior surface. A: anterior; AD: anterodorsal; AV: anteroventral; LA: lower area; MA: middle area; P: posterior; PD: posterodorsal; PV: posteroventral; TC: tibial comb; UA: upper area; V: ventral. Scale bars (in mm): Figs. 18–19= 0.30, Figs. 20–21 = 0.40, Fig. 22 = 0.60.
FIGURES 13–17 in Description of the immature stages of Sigara (Tropocorixa) schadei (Hungerford) (Hemiptera: Heteroptera: Corixidae)
FIGURES 13–17. Sigara (Tropocorixa) schadei. Anterior leg, anterior surface: 13, instar I; 14, instar II; 15, instar III; 16, instar IV; 17, instar V. A: anterior; AD: anterodorsal; AV: anteroventral; BT: behind tibial comb; CL: claw; DR: dorsal row; IS: inner surface; LR: lower row; TC: tibial comb; UR: upper row. Scale bars (in mm): Fig. 13= 0.20, Figs. 14–15= 0.30, Fig. 16 = 0.50, Fig. 17 = 0.60.
FIGURES 1–12 in Description of the immature stages of Sigara (Tropocorixa) schadei (Hungerford) (Hemiptera: Heteroptera: Corixidae)
FIGURES 1–12. Sigara (Tropocorixa) schadei. 1, egg. 2, chorionic surface. 3–5, pterothorax: 3, instar II; 4, instar III; 5, instar V. 6, short, lanceolate setae from the setose area of the mesonotum, instar V. 7, long, lanceolate setae from the internal margin of the wing pads, instar V. 8, apically serrate setae, from the posterior margin of the wing pads, instar V. 9, antenna, instar I, ventral surface. 10–11, antenna, instar III: 10, dorsal surface; 11, ventral surface. 12, antenna, instar V, ventral surface. Scale bars (in mm): Fig. 1= 0.60, Fig. 2= 0.05, Fig. 3= 0.50, Fig. 4= 0.80, Fig. 5= 1.00, Figs. 10–11= 0.20, Figs. 6–9= 0.10, Fig. 12= 0.30.
Figure 4 in Morphometry and chaetotaxy of the nymphs of Ectemnostega (Ectemnostegella) quechua (Bachmann 1961) (Insecta: Hemiptera: Heteroptera: Corixidae)
Figure 4. Ectemnostega quechua. (A,B) Metaleg, instar I: (A) anterior surface; (B) posterior surface. (C) Metaleg, posterior surface, instar III. (D,E) Metaleg, instar V: (D) anterior surface; (E) posterior surface. Abbreviations: A, anterior; AD, anterodorsal; AV, anteroventral; LA, lower area; MA, middle area; P, posterior; PD, posterodorsal; PV, posteroventral; TC, tibial comb; UA, upper area; V, ventral. Scale bars: (A,B) 0.30 mm, (C–E) 0.50 mm.
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