【摘要】 <正> 1973年9月,笔者等在广东北部山区采得的一种叶片恙螨幼虫,其PL和DS呈柠檬桉(Eucalyptus citriodora)的叶片状,与其他叶片恙螨不同,认为是一个新种;现将其特征描述于后。广东叶片恙螨Trombiculindus guangdongensis,新种(图1—8) 本恙螨幼虫活时白色,略呈卵形,体前部略较后部为宽;长402.22微米,宽274.59微更多还原

【Abstract】 Trombiculindus guangdongensis, sp. nov. (figs: 1-8) Idiosoma oval,white in life, length 402.22μ, width 274.59μ. Gnathosoma length95.53μ,width 93.59μ; Chelostyle apparently with tricuspid cap; galeal seta plumose;palpal setation N/N/bNN/7B; palpal claw trifurcate. Scutum subquadrate, PL leaf-like, sparsely serrate on its margin. AW 72.71 PW 88.95 SB 40.80 ASB 25.53 PSB15.47 A-P 21.66 PL 67.30×6.96. Dorsal setae: 2-8-6-6-4-2-2 = 30; Ventral setae about20; sternal setae 2-2; coxal setae 1-1-1. Length of legs including coxae being Ⅰ 255.26μ,Ⅱ 243.65μ, Ⅲ 272.66μ. Specialized setae of legs as in fig.8. Diagnosis: the new species, having the PL, DS and some VS in the shape of theleaf of Eucalyptus citriodora, is readily separable from the other species of the genusTrombiculindus. Holotype: larva,ex Rattus edwardsi edwardsi,September, 12, 1973, GuangdongProvince; deposited in the Provincial Station of Health and Epidemic Prevention,Guangdong.更多还原