New record of the genus Zombrus Marshall, 1897 (Hymenoptera: Braconidae: Doryctinae), with description of three new species from Vietnam
Author
Long, Khuat Dang
Author
Achterberg, Cornelis Van
Author
Hoa, Dang Thi
text
Zootaxa
2018
2018-05-16
4420
2
279
291
journal article
29861
10.11646/zootaxa.4420.2.9
b1462313-e610-4115-a021-2dbe363d14ad
1175-5326
1293012
9D753F85-04A5-47DF-A54D-E9A09E9685B3
Key to
Oriental
and Palaearctic species of
Zombrus
Marshall
1 Occipital carina at least latero-dorsally present (
Figs 23, 24
,
44
); bristles of fourth hind tarsal segment 0.5–0.6 × as long as hind telotarsus; subgenus
Zombrus
Marshall, 1897
.............................................................. 7
2
- Occipital carina completely absent (
Fig. 11
); bristles of fourth hind tarsal segment approx. 0.4 × as long as hind telotarsus; [hind coxa and femur with dense and long setae; metasomal tergites 4-6 shiny and entirely smooth (
Figs 8
,
18
)]; subgenus
Trichiobracon
Cameron, 1905
.............................................................................
7
2 Legs and palpi black or dark reddish brown; head and mesosoma with long and conspicuous setae; frons with small medial protuberance; middle tarsus not or slightly shorter than tibia; face sparsely punctate to reticulate-punctate; [long setae of hind tibia erect and distinctly longer than maximum width of tibia]...........................
Z.
bicolor
(
Enderlein, 1912
)
- Legs and palpi pale reddish brown to brownish yellow, but hind tarsus sometimes darkened; head and mesosoma with medium-sized and rather inconspicuous setae; frons with medium-sized medial protuberance; middle tarsus shorter than tibia; face rugose-punctate, rugulose-punctate or reticulate-punctate; [setae of hind tibia variable, frequently medium-sized and about equal to maximum width of tibia]....................................................................
3
3 Second and third metasomal tergites laterally and a transverse patch of fourth–sixth tergites black; pronotal side largely coarsely punctate; apical half of fourth metasomal tergite striate; hind tibia with erect and long setae; [base of fore wing with reddish veins]............................................................
Z.
nigrobalteatus
(Cameron, 1906)
- Metasomal tergites entirely brownish yellow; pronotal side largely rugose-crenulate; apical half of fourth metasomal tergite largely smooth; hind tibia with slanted and medium-sized setae.................................................
4
4 Veins of basal third of fore wing dark brown (
Figs 22
,
29
); length of eye in dorsal view approx. twice as long as temple; fourth–sixth metasomal tergites finely punctate basally...............................
Z. tricoloricorpus
Long
, sp. n.
- Veins of basal third of fore wing yellowish (
Fig. 36
); length of eye in dorsal view 1.2–1.6 × temple (
Fig. 44
); fourth–sixth metasomal tergites smooth basally........................................................................
5
5 Pterostigma dark brown basally; length of eye in dorsal view approx. 1.6 × temple; third antennal segment 1.3 × longer than fourth segment; [hind femur 2.7 × longer than its maximum width; marginal cell of hind wing without transverse vein].................................................................................
Z. sikkimensis
Enderlein, 1920
- Pterostigma yellow basally or subbasally; length of eye in dorsal view 1.2–1.4 × temple; third antennal segment 1.1 × longer than fourth segment....................................................................................
6
6 Vein m-cu of hind wing rectangularly angled with vein 2-CU and with short stub at base of vein 2-CU; face coarsely punctate with some rugae laterally; hind femur 2.3–2.6 × longer than its maximum width.............
Z.
anisopus
Marshall, 1897
- Vein m-cu of hind wing gradually merging into vein 2-CU and no posterior stub (
Fig. 37
); face largely coarsely reticulatepunctate, remotely punctate laterally (
Fig. 43
); hind femur 2.5–2.8 × longer than its maximum width (
Fig. 41
).......................................................................................
Z. pallidiventris
Cameron, 1910
7 Pterostigma mainly yellow, at most faintly infuscate basally; apical half of fore wing entirely yellowish; lower part of face, first and second metasomal tergites laterally pale yellow; body length approx.
18.5 mm
.......
Z. flavipennis
(Brullé, 1846)
-
Pterostigma dark brown (
Figs 7
,
19
); apical half of fore wing mainly or entirely dark brown, at most with pair of yellowish spots; face and base of metasoma brownish yellow or reddish brown; body length
8–14 mm
..........................
8
8 Veins of basal half of fore wing brown (
Figs 1
,
7
); metasoma dark brown (
Figs 1
,
8
); hind tibia with long erect setae dorsally, setae twice as long as its maximum width of tibia; [vein M+CU of hind wing 1.2 × as long as vein 1-M]..............................................................................................
Z. bicoloricorpus
Long
, sp. n
.
- Veins of basal half of fore wing yellow (
Figs 10
,
19
); metasoma brownish yellow (
Fig. 18
); hind tibia with medium-sized slanted setae, setae as long as its maximum width of tibia......................................................
9
9 Vein M+CU of hind wing approx. 1.5 × as long as vein 1-M (
Fig. 20
); apical half of fore wing with 3 pale patches (
Fig. 19
); vein 3-SR of fore wing approx. 1.6 × longer than vein 2-SR; mesoscutum with pair of longitudinal carinae posteriorly (
Fig. 14
)...............................................................
Z. flavicorpus
Long & van Achterberg
, sp. n
.
- Vein M+CU of hind wing approx. 1.2 × as long as vein 1-M; apical half of fore wing entirely dark brown; vein 3-SR of fore wing 1.2–1.3 × longer than vein 2-SR; mesoscutum with one medio-longitudinal carina posteriorly..................................................................................................
Z. striolatus
(Szépligeti, 1902)