关键词: 象虫科, 新种, 沙棘象, 沙棘种子

Abstract: Curculio hippophes Zhang, sp. nov.Body longishoval. Rostrum, antennae, elytra, tibiae and tarsi reddish brown; pronotum sepia. Rostrum of male much shorter than body (1:1.93), and of female shorter than body (1:1.49). Rostrum with several carinae from ante nnal scrobe to the base. Antennae inserted in the middle () or in the basal third () of rostrum. Antennae with scape thinly long, as long as 6 () or 7 () basal segments of funicle combined, funicle with first segment 1.2 times as long as second, third to seventh equal in length, half as long as first, club as long as four apical segments of funicle combined. Vertex thinly clothed with whitish hairy scales, with a little wider scales along inner margin of eyes. Prothorax transverse (1.34:1), widest at the base, basal. margin bisinuate, without median carina; pronotum covered with internally directing whitish and pale reddish brown hairy scales. Prosternum transverse canaliculated shallowly, densely covered with directing to transverse groove milky whitish scales a little wider. Mesepisterna, metasternum and legs thinly covered with yellowish white hair, mesepimera densely covered with whitish hairy scales. Scutellum evidently, densely covered with whitish scales. Elytra much wider than pronotum at the prominent rounded shoulders, and narrowing behind, and with broader striae, half of the intervals, elytra variegated with whitish and reddish brown hairy scales, several irregular oblique band formed of which respectively. Apical of all hairy scales cutback. Apical of pygidium with yellowish white setae. Legs with femora dentate.Length 2.67—2.83mm, breadth 1.21—1.50mm.Holotype , allotype, paratypes 2, 4. Long County (34.9 N, 106.8 E), Shaanxi, taken on 10. Ⅷ. 1989, by Chen Xiaoda and Dang Xinde.This new species is closed to C. hilgendorfi (Harold), but differs from it in length of body much shorter (C. hilgendorfi, 6-9mm); antennae with longer scape; elytra variegated with whitish and reddish brown hairy scales, forming several irregular oblique band.The type specimens are deposited in the Institute of Zoology, Academia Sinica

Key words: Curculionidae, New species, Curculio hippophes, Seed of Hippophae rhamnoides