中国小腹茧蜂亚科(膜翅目:茧蜂科)一新属新种记述  

DESCRIPTION OF A NEW GENUS AND A NEW SPECIES OF MICROGASTRINAE (HYMENOPTERA: BRACONIDAE) IN CHINA

作　　者：罗庆怀 游兰韶 

机构地区：[1]湖南农业大学植物科技学院昆虫学教研室,湖南长沙410128

出　　处：《武夷科学》2003年第1期121-125,共5页Wuyi Science Journal

摘　　要：本文记述小腹茧蜂亚科Microgastrinae盘绒茧蜂族Cotesiini一新属新种。根据标本独特之处,命名为帽甲茧蜂属Caracallatus gen. nov.;为纪念我国著名昆虫学家赵修复先生,模式种定为赵氏帽甲茧蜂C. chaoi sp. nov.。详尽描述了属征和种征,并就其特殊的腹部背甲,初步讨论了该属在盘绒茧蜂族中的系统地位。为便于国际交流,英文摘要也较详细。模式标本采于贵州省惠水县,存放湖南农业大学昆虫标本室。This paper deals with the description of a new braconid genus Caracallatus gen. nov. and Caracallatus chaoi sp. nov. The new genus is belonged to the Cotesiini, Microgastrinae. The specimen is deposited in Hunan Agricultural University. Morphological Character of the new genus The Caracallatus gen. nov. of Cotesiini has many unique charactes in which seven main features are given as follow: (1) three ocelli are all bigger, almost on one rank (fig. 2) ; (2) face with a middle longitudinal carina and many herpes—shaped bulges that are put in order(fig. 1); (3) two teeth of mandible are separate from its base so that the mandible can be seen as two parts (fig. 1,3);(4) hind coxa much bigger and longer than tergite 1,about as long as carapace; (5) tergite 1 with one longitudinal medial groove in which it is smooth, there are a higher transverse carina and a lower one in it; some concaves surrounded by carinae beside the apex of groove (fig. 6); (6) tergite 2+3 forms a carapace with carinae,which is more or less flat and truncate (fig. 6,7), tergite 3 with big hill—shaped bulge so that the carapace resembles a bamboo hat or straw hat from the lateral view, which is the Caracallatus's meaning; (7) apex of ovipositor sheath translucent and hairless, there is a long bulky spine each ovivalvule protruding from subapical area of the sheath (fig. 8). This new genus is closely related to Buluka de Saeger 1948, but can be easily distinguished from the latter by the 7 features above. It also differs from Buluka de Saeger in: (a) second submarginal cell of fore wing small triangular(fig. 4) ; (b)vannal lobe slightly concave and hairless in subapex, only hairy at its base and apex; (3) tergite 2 longer than tergite 3; (4) the carinae on carapace (fig. 6) ; (5) propleuron without apical lobe. Caracallatus chaoi sp. nov. Antenna 18 segments,the scape normal and the pedicellus very small; flagellomeres with placodes in 2 ranks (fig. 9). Anterior ocellus round and posterior ocell

关 键 词：茧蜂科 小腹茧蜂亚科 新属 新种 

分 类 号：Q969.54[生物学—昆虫学]