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125 results for “hover flies”
Figs 1–7. Epistrophe spp. 1–4 – E in A new species of the hover flies genus Epistrophe Walker, 1852 (Diptera: Syrphidae) from the Russian Far East
Figs 1–7. Epistrophe spp. 1–4 – E. lentiggini sp. n., female, holotype; 5–7 – E. griseofasciata, female, holotype; 1, 5 – habitus, lateral view; 2 – habitus, dorsal view, 3, 7 – fore- and mesolegs; 4, 6 – head, frontal view. Scale bar: 1 mm.
Figs 35–42 in New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv
Figs 35–42. Females of Sphiximorpha garibaldii (figs 35–38) and S. subsessilis (figs 39–42): 35, 39 — tergite 2, dorsal view; 36, 40 — hind leg, lateral view (arrow shows the yellow base of the femur); 37, 41 —mid basitarsus, ventral view (arrow shows setulae on ventral side of the tarsomere); 38, 42 — hind tarsus, dorsal view.
Figs 43–46 in New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv
Figs 43–46. Criorhina pachymera male: 43 — habitus, dorsal view; 44 — habitus, lateral view; 45 — hind leg, lateral view; 46 — head, frontal view.
Figs 27–34 in New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv
Figs 27–34. Females of Sphiximorpha garibaldii (figs 27–30) and S. subsessilis (figs 31–34): 27, 31 — habitus, dorsal view; 28, 32 — habitus, lateral view; 29, 33 — head, dorsal view; 30, 34 — head, frontal view.
Figs 21–26 in New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv
Figs 21–26. Orthonevra erythrogona, male (figs 21–23) and female (figs 24–26): 21, 24 — habitus, dorsal view; 22, 25 — head, lateral view; 23, 26 — head, frontal view.
Figs 47–54 in New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv
Figs 47–54. Males of Temnostoma angustistriatum (figs 47–50) and T. bombylans (figs 51–54): 47, 51 — habitus, dorsal view; 48, 52 — hind tibia, lateral view; 49, 53 — mid tibia, lateral view; 50, 54 — hind femur, posterodorsal view.
Figs 17–20 in New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv
Figs 17–20. Melanogaster parumplicata (figs 17, 18) and M. aerosa (figs 19, 20): 17, 19 — head, male, frontal view; 18, 20 — head, female, frontal view.
Figs 9–12 in New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv
Figs 9–12. Melanogaster parumplicata (figs 9, 10) and M. aerosa (figs 11, 12): 9, 11 — habitus, male, dorsal view; 10, 12 — habitus, female, dorsal view.
Figs 1–8 in New Records Of Hover Flies (Diptera, Syrphidae) From Ukraine. Iv
Figs 1–8. Hammerschmidtia ferruginea (figs 1–4) from Rivne Region (Ukraine) and H. ingrica (figs 5–8) from Moscow Region (Russia): 1, 5 — habitus, male, dorsal view; 2, 6 — habitus, female, dorsal view; 3, 7 — arista, male, lateral view; 4, 8 — thorax, female, ventral view (arrow shows the pilosity of the posterior part of the katepisternum and hind coxa).
Fig. 24 in A revision of the Afrotropical hover fly genus Afroxanthandrus Kassebeer, 2000 (Diptera, Syrphidae), with the description of two new species and one new synonymy
Fig. 24. Neighbour-Joining tree generated from DNA barcode data for four species of Afroxanthandrus Kassebeer, 2000.
Figs 13–17 in A revision of the Afrotropical hover fly genus Afroxanthandrus Kassebeer, 2000 (Diptera, Syrphidae), with the description of two new species and one new synonymy
Figs 13–17. Dorsal view of the abdomen of species of Afroxanthandrus Kassebeer, 2000. 13. A. comorosensis sp. nov., holotype, ♂ (RMCA ENT 000056900). 14. A. congensis (Curran, 1938), ♂ (ANHRTUK 00282353).15. A. conopeum sp. nov., holotype, ♂ (NMSA-Dip 219971). 16. A. congensis, ♀ (ANHRTUK 00282352). 17. A. longipilus Kassebeer, 2000, ♀ (ANHRTUK 00282356). Scale bars = 1 mm.
Figs 7–8 in A revision of the Afrotropical hover fly genus Afroxanthandrus Kassebeer, 2000 (Diptera, Syrphidae), with the description of two new species and one new synonymy
Figs 7–8. Lateral view of species of Afroxanthandrus Kassebeer, 2000. 7. A. comorosensis sp. nov., holotype, ♂ (RMCA ENT 000056900). 8. A. congensis (Curran, 1938), ♂ (ANHRTUK 00282353). Scale bars = 1 mm.
Figs 2–6 in A revision of the Afrotropical hover fly genus Afroxanthandrus Kassebeer, 2000 (Diptera, Syrphidae), with the description of two new species and one new synonymy
Figs 2–6. Frontal view of the head of species of Afroxanthandrus Kassebeer, 2000. 2. A. comorosensis sp. nov., holotype, ♂ (RMCA ENT 000056900). 3. A. congensis (Curran, 1938), ♂ (ANHRTUK 00282353). 4. A. conopeum sp. nov., holotype, ♂ (NMSA-Dip 219971). 5. A. congensis, ♀ (ANHRTUK 00282352). 6. A. longipilus Kassebeer, 2000, ♀ (ANHRTUK 00282356). Scale bars = 1 mm.
Figs 18–23 in A revision of the Afrotropical hover fly genus Afroxanthandrus Kassebeer, 2000 (Diptera, Syrphidae), with the description of two new species and one new synonymy
Figs 18–23. Male genitalia of species of Afroxanthandrus Kassebeer, 2000. 18–20. Dorsal views. 18. A. comorosensis sp. nov., holotype (RMCA ENT 000056900). 19. A. congensis (Curran, 1938) (RMCA ENT 000028396). 20. A. conopeum sp. nov., paratype (NMSA-Dip 086809). 21–23. Lateral views. 21. A. comorosensis sp. nov., holotype (RMCA ENT 000056900). 22. A. congensis (RMCA ENT 000028396). 23. A. conopeum sp. nov., paratype (NMSA-Dip 086809). Scale bars = 0.5 mm.
Figs 9–10 in A revision of the Afrotropical hover fly genus Afroxanthandrus Kassebeer, 2000 (Diptera, Syrphidae), with the description of two new species and one new synonymy
Figs 9–10. Lateral view of species of Afroxanthandrus Kassebeer, 2000. 9. A. conopeum sp. nov., holotype, ♂ (NMSA-Dip 219971). 10. A. congensis (Curran, 1938), ♀ (ANHRTUK 00282352). Scale bars = 1 mm.
Insights into natal origins of migratory Nearctic hover flies (Diptera: Syrphidae): New evidence from stable isotope (δ2H) assignment analyses
<p>Hover flies (Diptera: Syrphidae) are an important group of insects that provide a multitude of key ecosystem services including pollination and biological control, yet many of their major life history traits are not understood. Some Palearctic hover fly species are known to migrate in response to changing seasonal conditions, yet this behavior is almost entirely unrecognized in Nearctic species. At least one species, <em>Eupeodes</em> <em>americanus</em> (Wiedemann 1830), is partially migratory during autumn while <em>Allograpta</em> <em>obliqua</em> may be non-migratory, but it is unknown where these insects originate and how far they may travel. We examined natal origins of two Nearctic hover fly species, <em>Allograpta</em> <em>obliqua</em> and <em>Eupeodes</em> <em>americanus</em>, using stable hydrogen isotope (δ<sup>2</sup>H) measurements of metabolically inactive tissues (wings and legs) to derive a hover fly δ<sup>2</sup>H isoscape. While <em>Allograpta</em> <em>obliqua</em> was mostly of local origin, several <em>Eupeodes</em> <em>americanus</em> were sourced from northern latitudes in the Midwestern United States and Canada, representing travel distances of up to 3,000 km likely using seasonally favorable air currents. This phenomenon is expected to have major ecological and economic ramifications, especially in the realm of plant pollination ecology and biological control.</p>
Insights into natal origins of migratory Nearctic hover flies (Diptera: Syrphidae): New evidence from stable isotope (δ2H) assignment analyses
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Figs 1–7. Epistrophe spp. 1–4 – E in A new species of the hover flies genus Epistrophe Walker, 1852 (Diptera: Syrphidae) from the Russian Far East
Figs 1–7. Epistrophe spp. 1–4 – E. lentiggini sp. n., female, holotype; 5–7 – E.
Figs 1–3 in A list of hover-flies of Bolshoi Shantar Island (the Sea of Okhotsk) with description of a new species of the genus Platycheirus Lepeletier et Serville, 1828 (Diptera: Syrphidae)
Figs 1–3. Platycheirus shantar sp. n., holotype male. 1 – external appearance, dorsal
Figs 19–22 in New data on the hover-flies of the genus Eumerus (Diptera: Syrphidae) from Russia
Figs 19–22. Eumerus ssp.: 19 – female head of Eumerus strigatusm, dorsal view; 20–21
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International Brain Laboratory public data
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OpenNeuro
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