Diagnosis and key for the Helina annosa-group (Diptera: Muscidae) from China, with descriptions of nine new species

Figures & data

Figure 1. The model of Helina annosa-group male cerci.

Figure 2. Helina longievecta Xue, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile. Scale bars: A, 1 mm; B, 0.5 mm; C, D, 0.2 mm.

Figure 3. Helina longisurstyla Xue and Sun, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile. Scale bars: A, 1 mm; B–D, 0.5 mm.

Figure 4. Helina midmargiseta Xue, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile. Scale bars: A, 1 mm; B, 0.5 mm; C, D, 0.2 mm.

Figure 5. Helina nigriabdomilis Xue, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile. Scale bars: A, 1 mm; B, 0.5 mm; C, D, 0.2 mm.

Figure 6. Helina nivimonta Xue, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile. Scale bars: A, 1 mm; B, 0.5 mm; C, D, 0.2 mm.

Figure 7. Helina setosiannosa Xue, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile. Scale bars: A, 1 mm; B–D, 0.5 mm.

Figure 8. Helina shii Xue, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile; (E) female, sternites 1–5 in ventral view; (F) female, ovipositor in dorsal view; (G) female, ovipositor in ventral view; (H) female, spermatheca. Scale bars: A, E–G, 1 mm; B, 0.5 mm; C, D, H, 0.2 mm.

Figure 9. Helina subfloscula Xue, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile. Scale bars: A, 1 mm; B–D, 0.5 mm.

Figure 10. Helina subnigriabdomilis Xue and Sun, sp. nov. (A) Male, abdomen in dorsal view; (B) male, sternite 5 in ventral view; (C) male, cerci in posterior view; (D) male, terminalia in profile. Scale bars: A, 1 mm; B–D, 0.5 mm.