黑龙江下盾螨属二新种(蜱螨亚纲:革螨股:厉螨科)  

TWO NEW SPECIES OF THE GENUS HYPOASPIS (ACARI: GAMASINA: LAELAPIDAE) FROM HEILONGJIANG PROVINCE, CHINA

作　　者：马立名[1,2] 殷秀琴[1,2] 

机构地区：[1]全国鼠疫布氏菌病防治基地 [2]东北师范大学城市与环境学院

出　　处：《Entomotaxonomia》1998年第3期223-229,共7页昆虫分类学报（英文）

摘　　要：本文记述下盾螨属２新种：拟胸下盾螨Ｈｙｐｏａｓｐｉｓ（Ｇｅｏｌａｅｌａｐｓ）ｐｒａｅｓｔｅｒｎａｌｏｉｄｅｓ，ｓｐ．ｎｏｖ．和带岭下盾螨Ｈｙｐｏａｓｐｉｓ（Ｇｅｏｌａｅｌａｐｓ）ｄａｉｌｉｎｇｅｎｓｉｓ，ｓｐ．ｎｏｖ．。模式标本保存于吉林省白城市全国鼠疫布氏菌病防治基地。Hypoaspis (Geolaelaps) praesternaloides, sp.nov. (Figs. 1～20) ♀. Idiosoma yellow, oval, average 535 μm long×av. 353 μm wide. Dorsal shield covers all dorsum, with 39 pairs of simple setae, its end not beyond base of next setae. Presternal shields 1 pair, large. Posterior margin of sternal shield round. Genito ventral shield distinctly expanded behind V1 1. Anal shield triangular, Ad situated at middle or a little before middle level of anus. Metapodal shield narrow. Peritreme reaches to middle of coxa II, posterior part of peritrematal shield with notch at inner edge. Tectum with many denticles at anterior margin. Movable digit of chela average 67 μm long and with 2 teeth. ♂. Idiosoma average 402 μm long ×av. 260 μm wide. Dorsal shield setae 37 pairs. Holoventral shield bears 3 pairs of sternal setae, one pair of metasternal setae, one pair of genital setae, 3 pairs of ventral setae and 3 perianal setae. Anterior margin of tectum with many denticles. Spermatodactyl of chela narrow and curved. The new species very near to Hypoaspis (Geolaelaps) praesternalis Willmann, 1949, but in the new species both lateral margins of dorsal shield arc shaped, not parallel; posterior part of peritrematal shield with notch at inner edge; Ad situated at middle or a little before middle level of anus; genito ventral shield of female distinctly expanded behind V1 1. In the latter species both lateral margins of dorsal shield straight and parallel, posterior part of peritrematal shield without notch, Ad situated at level of anterior margin of anus, genito ventral shield narrow. Holotype ♀,paratypes 10♀♀,3♂♂,3 deutonymphs and 1 protonymph, from forest soils, Liangshui Natural Preserve (47°10’N, 128°53’E), Dailing District, Yichun City, Heilongjiang Province, VIII-1995, X-1995, VIII-1996. 2. Hypoaspis (Geolaelaps) dailingensis, sp.nov. (Figs. 21～32) ♀. Idiosoma yellow, oval, 540 μm long and 368 μm wide. Dorsal shield setae 39 pairs, long, its end goes beyond base of next setae

关 键 词：蜱螨亚纲 厉螨科 下盾螨属 新种 中国 

分 类 号：Q969.91[生物学—昆虫学]