Two new species of the family Megalyridae (Hymenoptera) from China
Author
Chen, Hua-yan
State Key Laboratory of Biocontrol, School of Life Sciences / School of Ecology, Sun Yat-sen University, Guangzhou 510275, China
Author
Liuhe, Bo-jing
Kunming Daqiuyin Technology Co., Ltd, Kunming 650051, China
Author
Zhang, Xiao
State Key Laboratory of Biocontrol, School of Life Sciences / School of Ecology, Sun Yat-sen University, Guangzhou 510275, China
zhangxiaofossil@163.com
text
ZooKeys
2021
2021-06-10
1043
21
31
http://dx.doi.org/10.3897/zookeys.1043.65223
journal article
http://dx.doi.org/10.3897/zookeys.1043.65223
1313-2970-1043-21
F2CE5635A15F471EBDB18F2778CC695F
8BD1561A0AC054EABEFD30BADB469803
Carminator daliensis Chen & Liuhe
sp. nov.
Figures 1
, 2
Diagnosis.
Head longer than wide (Fig.
1D
); frons entirely costate, median strip of frons shallow and smooth (Fig.
1C
); postgena entirely obliquely striate (Fig.
1E
); occipital ridge strongly arched (Fig.
1F
); mandible with five blunt, subtriangular teeth (Fig.
1C
); propleuron elongate, forming
"neck"
(Fig.
1E
); prosternum without median groove (Fig.
1E
); fore tibia with two rows of stout spines (nine + seven) arranged in a V shape (Fig.
2E
); branching point between R1 and 2r of forewing not thickened (Fig.
2D
).
Figure 1.
Carminator daliensis
Chen & Liuhe, sp. nov., female, holotype (SCAU 3049430)
A
habitus, dorsal
B
habitus, lateral
C
head, frontal
D
head, dorsal
E
head and prothorax, ventral
F
head and pronotum, lateral.
Description.
Female
(holotype). Body length 4.4 mm.
Color
. Body black; mandible reddish black; pedicel and first four flagellomeres dark brown, remainders of antenna black; legs black with tibiae dark brown to black and tarsus brown; wings tinged with brown and forewing veins dark brown; ovipositor sheath brown; ovipositor reddish brown.
Figure 2.
Carminator daliensis
Chen & Liuhe, sp. nov., female, holotype (SCAU 3049430)
A
mesosoma, dorsal
B
mesosoma, lateral
C
metasoma, dorsal
D
wings
E
fore tibia, inner face
F
ovipositor and ovipositor sheath, lateral
G
antenna, dorsal.
Head
(Fig.
1C-F
) 1.1
x
longer than wide in dorsal view, widely smooth with scattered punctures, punctures denser on gena and vertex; frons costate along lower margin, with about 12 longitudinal costae, punctures present among costae; median strip shallow and smooth; outer margin of frons without granulated area; posterior margin of frons slightly convex, higher than level of clypeus; punctures on gena and vertex denser; malar space below antennal insertion obliquely striate, with scattered punctures; posterior carina of subantennal groove present; lower margin of gena (as genal ridge in
Mita and Konishi 2011
) simple, not forming a blunt angle; postgena entirely obliquely striate; vertex wide, without a coronet behind lateral ocelli; occipital ridge arched; clypeus smooth, posterior margin rounded; a groove parallel to inner orbit of eye; eye with scattered short setae; ocelli forming large obtuse triangle; POL = 6.5; OL = 4.9; OOL = 3.2; mandible with five blunt subtriangular teeth, basal part swollen, outer margin flat; antenna (Fig.
2G
) with A1-A3 weakly flattened, A4-A14 strongly flattened, covered with numerous short to long setae; length/width ratio of antennal segments: 6.4:2.0, 1.3:1.3, 3.0:1.5, 1.8:1.9, 2.0:2.1, 2.2:2.5, 2.2:2.5, 2.2:2.5, 2.2:2.4, 2.1:2.4, 1.8:2.3, 2.1:2.5, 2.2:2.6, and 4.4:2.7.
Mesosoma
(Figs
1E, F
,
2A, B
). Pronotum shagreened to rugulose; propleuron dorsally shagreened, ventrally coriaceous, elongate, forming
"neck"
; median groove of prosternum absent; setae on propleuron and prosternum dense; mesoscutum largely smooth with sparse, small punctures anteriorly and laterally, coriaceous to finely punctate rugulose posteriorly, median mesoscutal sulcus weakly developed and only present anteriorly; admedian lines absent, parapsides short and present anterolaterally; mesoscutum convex, 0.65
x
as long as wide; mesoscutellum 0.57
x
as long as wide, coriaceous with sparse puntures medially, finely and desenly punctate laterally; anterior margin of axillae broadly separated; mesopleuron rugulose dorsally, largely shagreened or coriaceous ventrally; epicnemial sulcus obscure; ventral margin of episternum forming blunt angle; episternal scrobe with a weak depression; pleural sulcus complete; metanotum narrow, strongly shagreened, without punctures; metapleuron swollen anteriorly, covered with long setae; propodeum with posterior propodeal carina distinct, area anterior to posterior propodeal carina largely shagreened with sparse small punctures medially, area posterior to posterior propodeal carina smooth.
Legs
.
Fore tibia flat, with two rows of stout spines arranged in a V shape (Fig.
2E
); fore tarsomeres with ratios: 7.3:2.6:2.1:1.6:3.8; hind tarsomeres with ratio: 5.4:1.9:1.4:1.0:3.7.
Wings
(Fig.
2D
). Forewing with vein Sc + R branching into veins R and Rs; R1/2r = 0.4; branching point between veins R1 and 2r not thickened; Rs/(Rs + M) = 0.18.
Metasoma
(Fig.
2C, F
) subcylindrical, widest at metasomal segment 4; terga and sterna faintly shagreened to smooth; tergite 1 0.43
x
as long as wide; ovipositor sheath 0.9
x
as long as ovipositor; setae on ovipositor sheath longer than diameter of ovipositor; apex of ovipositor sharp.
Variation.
The body length of the paratype female is 4.2 mm, and other characters are similar to the holotype.
Male.
Unknown.
Etymology.
The specific epithet refers to the locality (Dali) where the type specimens were collected. It should be treated as a noun in apposition.
Material examined.
Holotype
,
female,
China
:
Yunnan
,
Dali
,
Yunlong County
,
3063 m
a.s.l.
, forest,
21°51'23"N
,
99°14'10"E
,
12-27.ix.2020
,
Malaise trap
, SCAU 3049430 (SYSBM)
.
Paratype
:
1 female
, same collecting data as holotype, SCAU 3049431 (SYSBM)
.
Distribution.
Oriental region, China, Yunnan Province.