缝颚螨总科3新种记述(蜱螨亚纲:辐螨亚目)

记述了储藏食品中的3种捕食螨:东方缝颚螨,新种Raphignathus orientalis sp.nov.,白长须螨,新种Stigmaeus candidus sp.nov.和安氏斯多螨,新种Storchia annae sp.nov.

Descriptions of Three New Species of Superfamily Raphignathoidea (Acari: Actinedida)

Three mite species from storied foods are described. The measurments are given in micron. All type specimens are deposited in Dept. of Plant Protection, Southwest Agricultural University. 1. Raphignathus orientalis sp. nov. (Fig.1) This new species closely resembles R. gracilis (Rack), but can be distinguished by the follwing characters: interspace between dorsal setae c much wider than that between setae b; with only 5 setae on genu Ⅳ; dorsal setae much stout. Holotype ♀, Allotype ♂, paratype 1 ♀, 3♂ ♂, from peanut, Chongqing City, 1989-10-21; Paratype: 1 ♀, 1 ♂, from Auricularia auricula-judae, Chongqing City, 1989-09-18; 1 ♀, from dried cayenne pepper, Chongqing City, 1989-10-06; 2 ♀ ♀, from Auricular auricula-judae, Chongqing City, 1989-10-17, 1 ♀, from pollen of rape, Fuzhou, 1989-10-17, by Zhou Binfen; 1 ♀, from Auriculatia auricula-judae Daxian County, 1990-04-27; 1 ♀, 1 larva, from Auricularia auricu, la-judae, Guangan County, 1990--04-28; 1 ♀, from Auricularia auricula-judae, Jiangjin County, 1990-03-27. By Fan Qinghai. 2. Stigmaeus candidus sp. nov. (Fig. 2) This species similar to S. perplexus Wood, but it can be separated from the later by: body length is about 3 times of the width; without the median prodorsal shield; dorsal setae he ventrally on a big plate; chaetotaxy of tarsi is as follows: 12, 1s-8, 1s-6, 1s-6, 1s (s: solenidia). Holotype ♀, Paratype 5 ♀ ♀, from cayenne pepper, Hechuan County, 1990-06-16; Allotype ♂, Paratype 2 ♀ ♀, 2 ♂ ♂, from Auricularia auricula-judae, Hechuan County, 1990-06-18; 2 ♀ ♀, 1 deutonymph, from anise, Hechuan County, 1990-06-16. By Fan Qinghai. 3. Storchia annae sp. nov. (Fig. 3) The new species resembles S. robustus (Berlese), it differs from the later in: chaetotaxy of femora is 4-4-3-2; of genua is 5-4-2-2; of tarsi is 13 1s-9, 1s-7, 1s-8, 12; body length is more than 2 times of the width. Holotype ♀, from Auricularia auricula-judae, Chongqing City, 1989-09-09, by Fan Qinghai.