Cytogenetic studies on fleas Xenoprylly cheopsis Rothschild 1903 X astia Roths child 1911 and Ctenocepjalides orientis jordan 1925(Siphonaptera:Pulicidae)
post-embryonic development of the ovary of the rat fleas, Xenopsylla cheopis and X astia (Siphonaptera: Pulicidae)
