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
Author
Tu, Bin-Bin
Author
Lelej, Arkady S.
Author
Chen, Xue-Xin
text
Zootaxa
2014
3889
1
71
91
journal article
10.11646/zootaxa.3889.1.4
ddcf09e7-8b11-454f-b213-93682c33a4a1
1175-5326
287525
CB7F3ECE-A919-41B1-91A3-B446EDF702EB
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)