Alipumilio, Shannon, 1927

Parada-Marin, Henry Mauricio, Mengual, Ximo & Ramos-Pastrana, Yardany, 2024, A new species of Alipumilio Shannon, 1927 (Diptera: Syrphidae), with the description of the male of A. avispas Vockeroth, 1964 and A. femoratus Shannon, 1927, Zootaxa 5506 (3), pp. 350-368 : 364-365

Identification key to all species of Alipumilio

This key is based on Vockeroth (1964) and Thompson (2006).

1. Halter brown ( Fig. 10A ). Scutum with alternating vittae of pale (white) and dark (black) hairs ( Figs 10B, 10C ) ( Argentina, Bolivia, Brazil)......................................... Alipumilio athesphatus Thompson in Morales et al., 2009

- Halter yellow ( Figs 6A , 7A , 11A ). Scutum not vittate ( Figs 4C , 6C , 12C )......................................... 2

2. Plumula yellow, with yellow fringe ( Figs 4A , 6A ) ( Peru).......................... Alipumilio avispas Vockeroth, 1964

- Plumula dark, brown to black, with dark fringe ( Figs 2A , 7A , 11A ).............................................. 3

3. Katepisternum smooth, bare ( Peru).......................................... Alipumilio pullatus Vockeroth, 1964

- Katepisternum punctate, with hairs at least dorsoposteriorly ( Figs 2A , 7A , 11A ).................................... 4

4. Wing hyaline in the basal part and strongly infuscate in the apical half, clearly contrasting ( Fig. 2E ). Scutum and scutellum with thick (setose) golden yellow hairs ( Figs 2A, 2C ) (Amazon region of Colombia)............... Alipumilio aureus sp. nov.

- Wing entirely hyaline or slightly infuscate, not contrasting ( Figs 7A , 9C , 11A ). Scutum and scutellum mostly with white, yellow and/or black fine hairs ( Figs 7E , 9C , 11C )............................................................ 5

5. Male: abdominal tergite 3 with thick silver hairs; tergites 2 and 4 with silver hairs but less dense. Female: abdominal tergites with white and black fine hairs ( Figs 11A, 11C ) ( Mexico)................... Alipumilio nigrocoeruleus Vockeroth, 1964

- Male and female: abdominal tergite 2 laterally, tergite 3 laterally and medially and tergite 4 entirely with thick (setose) golden yellow hairs ( Figs 7B, 7C , 9A, 9C ) (Amazonian Basin of Ecuador and Brazil)........ Alipumilio femoratus Shannon, 1927

Figures

FIGURE 2. Alipumilio aureus sp. nov., male holotype LEUA-0063889. A. Habitus, lateral view; B. Head, frontal view; C. Habitus, dorsal view; D. Hind femur, lateral view; E. Wing; F. Labels; G–H. Epandrium and hypandrium, G. Lateral view; H. Ventral view.

FIGURE 4. Alipumilio avispas Vockeroth, 1964, male. A. Habitus, lateral view; B. Head, frontolateral view; C. Habitus, dorsal view; D. Labels.

FIGURE 6. Alipumilio avispas Vockeroth, 1964, holotype female. A. Habitus, lateral view; B. Head, frontolateral view; C. Habitus, dorsal view; D. Abdomen, posterior view; E. Labels.

FIGURE 7. Alipumilio femoratus Shannon, 1927, male ZFMK-DIP-00103716. A. Habitus, lateral view; B. Habitus, dorsal view; C. Abdomen, posterior view; D. Head, frontal view; E. Head and thorax, anterodorsal view. Scale = 1 mm.

FIGURE 9. Alipumilio femoratus Shannon, 1927, holotype female NHMUK013700219. A. Habitus, lateral view; B. Head, frontal view; C. Habitus, dorsal view; D. Labels and holotype, general view.

FIGURE 10. Alipumilio athesphatus Thompson in Morales et al., 2009, holotype male USNMENT01754730. A. Habitus, lateral view; B. Head, frontal view; C. Habitus, dorsal view; D. Labels. Scale = 1 mm.

FIGURE 11. Alipumilio nigrocoeruleus Vockeroth, 1964, holotype female. A. Habitus, lateral view; B. Head, frontal view; C. Habitus, dorsal view; D. Labels.

FIGURE 12. Alipumilio pullatus Vockeroth, 1964, female holotype. A. Habitus, lateral view; B. Habitus, dorsal view; C. Head, frontolateral view; D. Labels.