Hemerodromia Meigen

http://zoobank.org:act: 3379CB4B-9FDE-4BC6-B66D-967819D2BA5D

Hemerodromia Meigen, 1822: 61 . Type-species: Tachydromia oratoria Fallén, 1815, des. Rondani, 1856: 148. [I.C.Z.N., Opinion 2347, Case 3589 (2014) use of Hemerodromia Meigen, 1822 preserved, excluding all type-species including in Hemerodromia Meigen, 1822 before Tachydromia oratoria Fallén, 1815, by Rondani, 1856]; Câmara et al. 2014: 27 (description); Câmara et al. 2015: 18 (description); Câmara et al. 2016: 66 (revision); Plant 2020: 12 (description).

Diagnosis. Head dorsoventrally flattened (but spherical in H. brevicercata); eyes with upper ommatidia larger than lower ommatidia (especially in males); postpedicel lanceolate, stylus not longer than postpedicel, proximal article poorly differentiated; thorax with only well-developed notopleural and sometimes scutellar setae; acrostichal and dorsocentral setae usually present but minute; wing with bifurcated R 4+5 and M 1 and M 2 present (M 2 absent in H. bradleyi sp. nov.); cells bm and dm fused; cell cua absent; subcostal vein fused proximally with costal vein, separated at level of radio-cubital node; h vein absent; fore femur with 2 rows of tiny black denticles, with adjacent antero- and posteroventral rows of setae more developed (Câmara et al. 2016).

Key to males of Hemerodromia in state of Maranhão, Brazil

1 Specimens predominantly brown (Fig. 61).......................................... H. brevicercata Câmara et al.

- Specimens predominantly yellow (Figs 1, 16, 25, 34, 43, 52, 75)............................................... 2

2 Vein M 2 absent (Fig. 2)................................................................. H. bradleyi sp. nov.

- Vein M 2 present (Figs 17, 26, 35, 44, 53, 62, 76)............................................................ 3

3 Long membranous area between segment 8 and terminalia, as long as or longer than length of tergite 8 (Figs 27, 36)...... 4

- Abdomen without membranous area between segment 8 and terminalia (Figs 18, 45, 54, 63, 77)...................... 5

4 Triangular cerci, slightly tapered distally, in lateral view (Fig. 37)........................... H. joseaugustoi sp. nov.

- Cerci semi-globose in proximal half, distal half tapered and facing backwards, in lateral view (Fig. 28)... H. joanae sp. nov.

5 Ejaculatory apodeme with lamella elongated, 0.3–1.0 X of length of gonocoxal apodeme (Fig. 19)....... H. gurupi sp. nov.

- Ejaculatory apodeme with lamella reduced, 0.1–0.2 X of length of gonocoxal apodeme (Figs 46, 55, 64, 78)............ 6

6 Cerci subrectangular, slightly concave distally, in lateral view (Fig. 46); subepandrial sclerite with median posterior process (Fig. 50).......................................................................... H. maranhensis sp. nov.

- Cerci globose in lateral view; subepandrial sclerite with two posterior processes (Figs 59, 82)........................ 7

7 Cerci with row of strong spines, located medially, on ventral surface (Figs 56, 57)................... H. rafaeli sp. nov.

- Cerci without spines on ventral surface (Figs 79, 80)................................. H. cercusdilatata Câmara et al.