滇藏蝠蛾属三新种记述——(鳞翅目:蝙蝠蛾科)

THREE NEW SPECIES OF THE GENUS HepidusFROM YUNNAN AND XIZANG, CHINA(LEPIDOPTERA. HEPIALIDAE)

本文记述了分布于云南、西藏高寒草甸区的蝠蛾属3新种:云南蝠蛾Hepialus yunnanensis sp.nov.、芒康蝠蛾Hepialus markamensis sp.nov.和草地蝠蛾Hepialus pratensis sp.nov.

In the present paper, three species of the genus Hepialus are described as new. The types of 3 new species were collected from the snow mountains of alpine meadow. Three species of the larvae can be parasitized by a kind of fungi, Cordyceps, to form the Chinese insect herb, a precious ingredient of traditional Chinese medicine. The types of 3 new species are kept in the Kunming Institute of Zoology, Academia Sinica, Kunming, China. 1. Hepialus yunnanensis sp. nov. (Figs. 1. a-b) Body length. 13.2-14.8mm; 13.8-15.5mm. Compound eye dark; antennae filiform, 21 articles; labial palps present, there are tibial spure on fore tibia; wing ferruginous, Cup of forewing short, 2 cross veins present below Cup of forewing at the base and top part. In male genitalia, valvae thiner without tooth, tegumen with many strongly scle-rotized area, the tecth in the middle and two teeth forks in the terminale area, saccus ellipticity on above and below margin. It differs from H. lijiangensis Chu et Wang. 2 cross veins present below Cup of forewing (Kig. 1:a); the male genitalia, tegumen have many strongly sclertized area the teeth in the middle and two teeth forks in the terminale area, saccus ellipticity on above and below margin (Fig. 1 : d). Holotype , allotype and paratypes 2, 1, Yunnan: Laojun mountain is the common boundary for Jianchuan and Lijiang and Lanping these three counties, located at 26#45'N, 99#5l'E and with an elevation of 3680-3750 metres, 20-24 May, 1990. 2. Hepialus markamensis sp. nov. (Figs.2:a-d) Body length, 14.2-15.4mm; 14.6-16.2mm. Compound eye dark; antennae filiform, 23 articles; labial palps present and rostrum degenerate; fore tibia golden yellow, there are spurs on fore tibia: foewing light browm, Cup of forewing short and with one cross vein below it, male genitalia wide and thick, valvae with one tooth at the base part, tegumen with many strongly sclerotized area, the teeth in the middle; saccus projecting on above and below margin. The differences from H. kangdingroidcs Chu et Wang are Cup of fore-wing with a cross vein below it (Fig. 2 :d ). Holotype, allotype, paratypes 2, 5; Xizang: Markam county, Nimasha snow mountain, located at 28°59'N, 98°46'E and with an elevation of 4600-4900 metres, 12 July, 1990. 3. Hepialus pratensis sp. nov. (Figs. 3:a-d) Body length. 15.5-18.2mm; 17.8-19.5mm. Body colour is black-yollow, there are black and white hairs on the head, antenna filiform, there are 25 segments in the flagelum; forewing colours are greyblack, the outer margin has a white streak and the anal area has two white streaks. The Cup of forewing short, one cross vein present above the Cup of forewing in the middle, 2 cross veins below Cup of forewing in the middle and top part. The male genitalia, valvae thick and with one tooth at the base part and with one tumour at the outer margin, tepumen with many strongly sclerotized area, the teeth in middle, saccus proiecting on the above and below margin. It differs from H. renzhiensis Vang. 2 cross veins below Cup of fore-wing at. the middle and top part ( Fig. 3 .a ). in malt genitalia. the outer margin of valve with one tumour and saccus projecting OH the abovi. and below margin (Fig. 3 :d). Holotype, allotype , paratypes 3, 5;Yunnan. Deqin county, Baima snow mountain, located at 28°23'N, 99°01'E and with an elevation of 4350 metres, 27 July, 1990.