The genus Pholetesor Mason, 1981 (Hymenoptera, Braconidae, Microgastrinae) from China, with descriptions of eleven new species
Author
Liu, Zhen
Author
He, Jun-Hua
Author
Chen, Xue-Xin
text
Zootaxa
2016
4150
4
351
387
journal article
10.11646/zootaxa.4150.4.1
b7aad3e1-ba9c-4d04-8b62-968869588e45
1175-5326
267594
40517034-AC6E-43DB-8E55-B2687DBAA535
Key to species of genus
Pholetesor
from China
1. Metacarp at most 1.5× longer than its distance from apex of marginal cell; hind coxa mainly yellow; horizontal surface of T1 strongly shining, almost polished........................................................
P. pedias
Nixon, 1973
- Metacarp much longer, about 4× longer than its distance from apex of marginal cell................................. 2
2. Anterior margin of postscutellum without a distinct emargination between its middle point and forward-pointing projection, phragma completely concealed or only slightly exposed....................................................... 3
- Anterior margin of postscutellum with a deep emargination between its middle point and forward-pointing projection, phragma freely exposed........................................................................................ 8
3. Ovipositor sheath strongly expanding towards apex and truncated in profile; apical part of T1 and T2 densely rugose all over............................................................................
P. viminetorum
(
Wesmael, 1837
)
- Ovipositor sheath not truncated in profile................................................................... 4
4. T1 virtually parallel-sided; T2 rectangular rather than triangular; T1 and T2 strongly rugose all over.................................................................................................
P. maritimus
(
Wilkinson, 1941
)
- T1 distinctly narrowed posteriorly; T2 triangular or trapezoidal; T1 and T2 slightly uneven to weakly rugose............. 5
5. Scutellar sulcus more or less foveolate and broader........................................................... 6
- Scutellar sulcus remarkably narrow and without carinae in between.............................................. 7
6. T1-3 yellow; vein cu-a of hind wing straight; spines on outer side of hind tibia relatively sparser...................................................................................................
P. flavigleba
Liu & Chen
,
sp. n.
- T1-3 dark; vein cu-a of hind wing strongly curved; spines on outer side of hind tibia markedly denser..............................................................................................
P. spinadensus
Liu & Chen
,
sp. n.
7. Apical third of hind tibia and hind tarsus distinctly blackish; penultimate antennomere 2× longer than wide; vein cu-a of hind
wing curved................................................................
P. taiwanensis
Liu & Chen
,
sp. n.
- Apical third of hind tibia and hind tarsus at most faintly fulvous; penultimate antennomere only 1.6× longer than wide; vein cu-a of hind wing straight and oblique inwards....................................
P. artusisulcus
Liu & Chen
,
sp. n.
8. Apical part of T1 and T2 densely rugose all over............................................................. 9
- Apical part of T1 and T2 strongly shining, almost polished to weakly rugose...................................... 11
9. T2 subrectangular or very transverse, T1 narrowed posteriorly................................................. 10
- T2 nearly triangular; T1 not much narrowed posteriorly, nearly parallel-sided...................
P. salalicus
Mason, 1959
10. T2 very obviously transverse; rugosity on apical T1 very strong; T1 weakly narrowed posteriorly.......................................................................................................
P. laetus
(Marshall, 1885)
- T2 subrectangular; rugosity on apical T1 less strong; T1 remarkably narrowed posteriorly..........
P. arisba
(
Nixon, 1973
)
11. T2 highly triangular, usually only 1.4-1.7× wider than long in the middle........................................ 12
- T2 subtriangular to very transverse, at least 2× wider than long in the middle..................................... 14
12. Ocelli on low triangle; T1 punctate-subrugulose all over..............................
P. acricauda
Liu & Chen
,
sp. n.
- Ocelli on high triangle; T1 usually highly polished.......................................................... 13
13. Pterostigma relatively big, 2.4× as long as its widest part; ocelli small, distance between fore and a hind ocellus larger than diameter of hind ocellus; T1 slightly narrowing towards apex.........................
P. lithocolletis
Liu & Chen
,
sp. n.
- Pterostigma smaller, 2.8-3× as long as its widest part; ocelli relatively large, distance between fore and a hind ocellus as long as diameter of hind ocellus; T1 strongly narrowing towards apex..........................
P. circumscriptus
(Nees, 1834)
14. Scutellar sulcus narrow with carinae in between; ovipositor sheath relatively long, almost as long as hind tibia; hind femur brown.............................................................................................. 15
- Scutellar sulcus without carina in between; ovipositor sheath relatively short, distinctly shorter than hind tibia; hind femur yel- low................................................................................................ 16
15. Ovipositor sheath remarkably thick; propodeum relatively long, less than twice as wide as long; 1st discal cell as wide as high.........................................................................
P. argyresthiae
Liu & Chen
,
sp. n.
- Ovipositor sheath thin; propodeum relatively short, at least 2× wider than long; 1st discal cell distinctly wider than high.................................................................................
P. lyonetiae
Liu & Chen
,
sp. n.
16. Body mostly dark, hind coxa brown; spurs of hind tibia of equal size, 2/5 length of basitarsus; punctures on disc of mesonotum relatively deep and distinct...................................................
P. teresitergum
Liu & Chen
,
sp. n.
- Body mostly yellow, hind coxa yellow; inner spur of hind tibia longer than outer spur, almost half length of basitarsus, outer spur almost 1/3; punctures on disc of mesonotum relatively shallow and weak.................................... 17
17. Suture between T2 and T3 distinct; vein r not shorter than 2-SR; T2 triangular; vein cu-a of hind wing strongly curved................................................................................
P. flaviparvus
Liu & Chen
,
sp. n.
- Suture between T2 and T3 weak; vein r distinctly shorter than 2-SR; T2 trapezoidal; vein cu-a of hind wing straight and per- pendicular to vein 1-1A.........................................................
P. confusus
Liu & Chen
,
sp. n.