摘要
本文记述采自腾格里沙漠及贺兰山地区的蝗虫二新种,即腾格里短鼻蝗Filchnerella tenggerensis sp.nov.及宁夏突颜蝗Eotmethis ningxiaensis sp.nov.并对二种蝗虫的染色体进行了观察。
This paper gives a description of two new species of the pamphagidae, collected from Gansu and Ningxia region. The type specimens are deposited in the Department of Biology, Shaanxi Normal university. Filchnerella tenggerensis sp. nov. (figs. 1, 2) Closely allied to Filchnerella kukunoris B.-Bienko, distinguishable by the following characters. (1)size larger, ♂28～29.05mm. (2)the apical part of the inner side of hind femur yellow, basal part of lower kneelobe red and the apical part yellow; (3)the relative length of the first chromosome much longer than F. kukunoris about 20.17％; (4)the centomeric C-band of the first and fourth chromosomes heterogeneous. Female unknown. Length of body: ♂28-29.05mm; length of pronotum: ♂8～9mm; length of elytra, ♂14～15mm; length of hind femur: ♂13.5～14mm. Holotype ♂, Gansu: Minqing, 13. v111. 1986 collected by Ma Enbo paratypes 2♂♂, Gansu: Minqing, 12～14. vⅢ. 1986. collected by Liu Zhibin. Eotmethis ningxiaensis sp. nov. (figs. 4, 5) Closely related to Eotmethis tientsuensis(Chang), but separated by the size larger; the apical part of inner side of hind femur yellow; inner area of lower side yellow; the centomerie C-band of the third and fourth chromosomes heterogeneous. Length of body: ♂23～23.5, ♂29mm. Length of pronotum. ♂7～7.2, ♂11mm. Length of elytra, ♂9～9.1, ♂7mm. Length of hind femur: ♂11～11.5, ♂14mm. Holotype ♂, Ningxia: Shitsishan, 25. vⅢ. 1986, collected by Fu peng; Allotype ♂, paratype 1 ♂, Ningxia: Shitsishan, 25. vⅢ. 1986. collected by Liu Zhibin
出处
《陕西师大学报（自然科学版）》
CSCD
1989年第1期64-69,共6页
Journal of Shaanxi Normal University(Natural Science Edition)
关键词
蝗虫
癞蝗科
直翅目
grasshopper
Pamphagidae
new species.
