Hemutilla

Tu, Bin-Bin, Lelej, Arkady S. & Chen, Xue-Xin, 2014, Review of the genus Cystomutilla André, 1896 (Hymenoptera: Mutillidae: Sphaeropthalminae: Sphaeropthalmini), with description of the new genus Hemutilla gen. nov. and four new species from China, Zootaxa 3889 (1), pp. 71-91 : 89-90

Key to species of Cystomutilla and Hemutilla

1. Male (unknown in Hemutilla bifurcata and H. cheni )....................................................... 2

- Female (unknown in Hemutilla ferrugineipes , H. granulata , H. hoozana , and H. tuberculata )......................... 7

2. Clypeus flat or slightly concave. First metasomal tergum 1.1–1.3 × as long as broad. Length of volsella 0.5 × length of gonostylus ( Figs 3 A–D). Cystomutilla André. ................................................................. 3

- Clypeus deeply concave. First metasomal tergum 1.6–2.0 × as long as broad. Length of volsella 0.65 × or more length of gonostylus ( Figs 9 A–D, 10A–D). Hemutilla gen. nov............................................................ 4

3. Mesosternum midway to anterior margin mesally with two median weak curved carinae. Fore wing hyaline, not infuscated. Gonostylus mesally with few sparse short setae.............................................. C. ruficeps (Smith)

- Mesosternum midway to anterior margin mesally with distinct paired sharp tubercles. Fore wing infuscated. Gonostylus mesally with tuft of strong setae.......................................................... C. teranishii Mickel

4. Mandible apically bidentate. Metasomal sternum 2 without distinct lateral felt line (with a few short setae only). Hind coxa mesally with acute tubercle............................................................ H. tuberculata sp. nov.

- Mandible apically tridentate. Metasomal sternum 2 with distinct lateral felt line. Hind coxa mesally without acute tubercle, at most weakly swollen................................................................................ 5

5. Metasomal sternum 2 with short lateral felt line (length 0.5 × distance between line and posterior border of sternum). Legs and metasomal segment 1 ferruginous-red................................................. H. ferrugineipes sp. nov.

- Metasomal sternum 2 with well developed lateral felt line (length equal to or more than distance between line and posterior border of sternum). Legs and metasomal segment 1 black................................................... 6

6. Lateral section of clypeus concave, coarsely punctate. Mandible beneath basally slightly widened, rounded. Volsellar cuspis mesally with short setae ( Figs 10 A–B)................................................... H. hoozana (Zavattari)

- Lateral section of clypeus not concave, granulate. Mandible beneath basally strongly widened. Volsellar cuspis mesally with long setae ( Figs 9 A–B)............................................................... H. granulata sp. nov.

7. Mesopleuron smooth with large punctures along vertical narrow ridge; propodeum laterally and metapleuron micropunctate, mixed with sparse large punctures. Metasternal posterior median process acuminate or rounded. Metasomal sternum 1 with simple longitudinal carina. Cystomutilla André. .......................................................... 8

- Mesopleuron, metapleuron and propodeum laterally densely punctate. Metasternal posterior median process bifurcate. Metasomal sternum 1 with bifurcate carina. Hemutilla gen. nov.................................................. 9

8. Head ferruginous-red. Metasomal tergum 1 posteriorly with median tuft and lateral fringe of white setae...................................................................................................... C. ruficeps (Smith)

- Head black. Metasomal tergum 1 posteriorly with fringe of white setae, without median tuft......... C. teranishii Mickel

9. Mesonotum laterally with lamellate carina from pronotal to mesonotal spiracle tubercles. Metasomal tergum 1 posteriorly with tuft of golden setae. Tergum 2 posteriorly and tergum 3 with about same length bands of golden setae.... H. cheni sp. nov.

- Mesonotum laterally lacking lamellate carina. Metasomal tergum 1 posteriorly with fringe of fuscous setae. Tergum 2 posteriorly and tergum 3 with bands of yellow setae, latter much longer than on tergum 2................. H. bifurcata (Chen)

Figures

FIGURE 3. Genitalia of males. A, B. Cystomutilla ruficeps, Crimea. A. Dorsal view, B. Ventral view, C, D. C. teranishii, Japan, Honshu, С. Dorsal view, D. Ventral view. Scale line = 0.5 mm.

FIGURE 9. Genitalia of males. A, B. Hemutilla granulata sp. nov., paratype. A. Dorsal view, B. Ventral view. C, D. H. ferrugineipes sp. nov., holotype. C. Dorsal view, D. Ventral view. Scale line = 0.5 mm.

FIGURE 10. Genitalia of males. A, B. Hemutilla. hoozana (Zavattari), China, Zhejiang. A. Dorsal view, B. Ventral view, C, D. H. tuberculata sp. nov., holotype. С. Dorsal view, В. Ventral view. Scale line = 0.5 mm.