摘要
报道了沟姬蜂亚科Gelinae,胡姬蜂亚族Sphecophagina一新属:扁角姬蜂属Lentocerus新属,二新种:丽江扁角姬蜂L.lijiangensis和齿扁角姬蜂L.dentatus新种。模式标本保存在中国科学院昆明动物研究所。
A new genus
and two new species of the tribe Sphecophagina,subfamily Gelinae are described in this paper:
Lentocerus Dong gen. et sp. nov.; Lentocerus lijiangensis Dong, sp. nov.; Lentocerus
dentatus Dong, sp. nov..Type specimens are deposited in the Kunming Institute of
Zoology,Academia Sinica. Lentocerus gen. nov. Medium sized insects. Black, with
yellow marks. Clypeus strongly convex, its apical margin round, shorter.Occipital carina
joining hypostomal carina base of mandible. Eye oval,slightly projecting in middle part.
Mandible with 2 teeth equal. Antennae flattened in the middle part of the flagellum.
Mesoscutum convex in middle lobe. Notaulices distinct,with a horse shoe shaped depressed
in the confluent point to apical margin. Epomia shorter,thick. Propodeal spiracle circular.
Apical transverse carina of propodeum completed. Areola distinct, long. Wing hyaline,
intercubital vein is set in inner lateral of 2nd recurrent vein,2nd intercubital absent,2nd
recurrent vein with a single bulla. Mediella vein strongly curved. Nervellus vein curved
towards inside.Petiole stout,with central longitudinal carina and coarsely punctures, spiracle
placed before the midlength of the tergite.Abdomen without epiplearum,lanceolate,compressed.
Thyridia moderately large and distinctly impressed,space between them larger than width of a
thyridium.Ovipositor sheath hardly surpassing tip of abdomen. Type species: Lentocerus
lijiangensis Dong, sp. nov. Closely allied to Arthula Cameron and Latibulus Gistel,but
differs from the latter two genera by following characters:Antennae flattened in the middle part
of the flagellum;Front wing intercubital vein is set in inner lateral of 2nd recurrent
vein;Notaulices distinct,with a horse shoe shaped depression in the confluent point to apical
margin; Propodeal areola present. 1 Lentocerus lijiangensis Dong, sp. nov.(Figs 1~7)
Female: Lenght of body about 7 mm. Front wing 6 mm long. Head transverse, slightly wider
than thorax at tegulae.Eye moderate sized, oval, slightly projecting in middle part.Malar
space 0 6 times as wide as base of mandible. OOD 0 7 times aslong as IOD. Antennae 32
segmented, strongly flattened from segment 9 to 16, edge smooth, spindl shaped.Pronotum
epomia shorter.propodeal areola long, carina weak at base. Tergite 2 of abdomen 0 3times
as long as wide. Thyridia nearly triangular,about 4 times as wideas space between them.
Male: Antennae 33 segmented, other characters similar to female. Holotype ♀, allotype ♂,
Lijiang County, Alt. 2 915 m,Yunnan Province,June 15,1996, coll. Dong Dazhi. 2 Lentocerus
dentatus Dong, sp. nov. (Figs 8~12) Male: Lenght of body about 7 2 mm. Front wing 5 5
mm. Head transverse, wider than thorax at tegulae. Eyes oval,slightly concentrate toward
vertex. Malar space as wide as base of mandible. OOD as long as IOD. Antennae 37
segmented,strongly flattened from segment 8 to 17, edge with teeth,leaf shaped.Pronotum
epomia slender. Propodeal areola ladder shaped. Tergite 2 of abdomen 0 8 times as long
as wide. Thyridia narrower, transverse,rectangle, about 6 7 times as wide as space between
them. Female: Unknown. Holotype ♂, Lijiang County, Alt. 2 915 m, Yunnan Province,June
15,1996. coll. Dong Dazhi. This new species is allied to L. lijiangensis Dong,sp.nov.,but
differs as follows: a) antennae 37 segmented,with teeth at middle part;b)propodeal areola
completed; c) petiole selender;d)thyridia narrower,transverse.
出处
《昆虫学报》
CAS
CSCD
北大核心
1999年第2期207-207,共1页
Acta Entomologica Sinica
关键词
膜翅目
姬蜂科
沟姬蜂亚科
新属
新种
云南
Hymenoptera,
Ichneumonidae,Gelinae,new genus,new species, Yunnan