河南省伏牛山毛蚊科三新种(双翅目:长角亚目)

THREE NEW SPECIES OF MARCH FLIES (DIPTERA:NEMATOCERA: BIBIONIDAE)FROM FUNIUSHAN, HENAN PROVINCE

本文对河南省新记录的毛蚊科Ｂｉｂｉｏｎｉｄａｅ昆虫作了简介，记述了发现于伏牛山自然保护区的毛蚊属Ｂｉｂｉｏ３新种，即：豫毛蚊Ｂ．ｙｕａｎｕｓ，ｓｐ．ｎｏｖ．、伏牛毛蚊Ｂ．ｆｕｎｉｕａｎｕｓ，ｓｐ．ｎｏｖ．和长须毛蚊Ｂ．ｌｏｎｇｉｐａｌｐｕｓ，ｓｐ．ｎｏｖ．。

オhe family Bibionidae are new to Henan Province, a small series specimens collected from Mt. Funiushan have been studied. There are three species of the large genus Bibio Geoffroy, all of which are new to science. The type specimens are kept in the Insect Collections of China Agricultural University.1. Bibio yuanus Yang et Cheng, sp. nov. (Figs. 1,2,4～7)Holotype ♂, allotype ♀, paratype 1♂, Henan Prov., Songxian County, (112.0°E, 34.1°N) Mt. Baiyunshan (1500 m), 16-VII-1996, collected by Yang Chikun, preserved in alcohol.Male length of body about 4.5 mm, length of wing 4 mm, body black. Antennae with 9 segments, apical spur of front tibia as long as the apical spine, and the veins M2 and Cu1 evanesce before reaching wing margin, so that allied to the B. acutifidus Yang et Luo (1989), but differs from the latter in the color of legs and the male genitalia.Female length of body about 5 mm, length of wing 6 mm, somewhat larger and paler than the male. Head black and thorax orange yellow with small black maculations.2. Bibio funiuanus Yang et Cheng, sp. nov.(Figs. 3,8,9)Holotype ♀, Henan Province, Luanchuan County, (111.5°E, 33.7°N), Longyuwan, 10-VII-1996, collected by Yang Chikun, preserved in alcohol.Female length of body about 5.5 mm, length of wing 5.3 mm, and close related to the female of above new species, but distinguished from B. yuanus in the projecton of thorax at lateral view slopes gently; and the prescutum of mesonotum with only an euneiform long black spot and 2 times as long as the pronotum, which in the yuanus is a pair of short euneiform spots and as long as pronotum only.3. Bibio longipalpus Yang et Cheng, sp. nov. (Figs. 10～12)Holotype ♀, Henan Province, Songxian County, (112.0°E, 34.1°N) Mt. Baiyunshan, 16-VII-1996, collected by Yang Chikun, preserved in alcohol.Female length of body about 7 mm, length of wing 6 mm. A dark species, antennae 9segmented, maxillary palpi very developed, even 2 times as long as antenna, the 2 basal segments short and pale, and the 3～5 segments elongate and black. Apical spur of front tibia small, only 1/2 long as the apical spine. Allied to the B. crassinodus Yang et Luo, but differs by the larger size, and the character of front femora very stout.