Gammarus electrus Hou and Li, 2003

Hou, Zhong-E & Li, Shuqiang, 2005, Amphipod crustaceans (Gammaridea) from Beijing, P. R. China, Journal of Natural History 39 (36), pp. 3255-3274 : 3257

Gammarus electrus Hou and Li, 2003

Gammarus electrus Hou and Li 2003a, p 241 –248.

Material examined

Cherry Valley, Beijing Botanical Garden: five males, two females and three juveniles, 25 December 1994, collected by Dezeng Liu; 10 males and 10 females, December 1992, collected by Yixiong Cai; 12 males and eight females, 22 December 2002, collected by Chenglong Xiong.

Diagnosis

Gnathopod 1 with long curled setae on posterior margin of propodus; carpus and propodus of gnathopod 2 of the male with long curled setae dorsally; inner ramus of uropod 3 less than half of primary article of outer ramus, and both rami armed with simple setae, the telson with groups of long facial setae.

Remarks

Gammarus electrus is only known from Cherry Valley in Beijing. It can be distinguished from other Gammarus species by uropod 3 having long simple setae and gnathopod 2 having long curled setae on dorsal margins of carpus and propodus of gnathopod 2.