Eur. J. Entomol. 107 (4): 549-551, 2010 | DOI: 10.14411/eje.2010.063

Effects of starvation and mating status on the activity of the flea beetle, Phyllotreta nemorum (Coleoptera: Chrysomelidae)

Keiko OKU1,2,3, Kim M.C.A. VERMEER2, Patrick VERBAARSCHOT2, Peter W. DE JONG2
1 National Agricultural Research Center, 3-1-1 Kannondai, Tsukuba, Ibaraki 305-8666, Japan; e-mail: okeiko@affrc.go.jp
2 Laboratory of Entomology, Wageningen University, PO Box 8031, 6700 EH, Wageningen, The Netherlands; e-mail: Peter.deJong@wur.nl
3 Laboratory of Evolutionary Ecology, Graduate School of Environmental Science, Okayama University, Okayama 700-8530, Japan

Flea beetles are characterized by their tendency to jump. They can also fly. First, the effects of starvation on flight activity in the flea beetle, Phyllotreta nemorum L. (Coleoptera: Chrysomelidae) were determined. After starving P. nemorum for five days a greater number of individuals of both sexes flew than when fed continuously for the same period. In addition, the effect of the mating status of females of P. nemorum on their movement was determined. Mated females were more active than virgin females. It is concluded that starvation stimulates the flight activity of both sexes and mating activates the movement of females of P. nemorum.

Keywords: Chrysomelidae, Phyllotreta nemorum, female movement, flight activity, mating status, starvation

Received: March 23, 2010; Accepted: April 19, 2010; Published: October 20, 2010

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