Abstract
Two methods of trapping Pholetesor ornigis (Weed) adults were investigated. Sticky traps of different colors were tested, and lemon yellow was most attractive to the parasitoids. Other traps were baited with live parasitoids. Live virgin females were very attractive to males, whereas few parasitoids were caught in traps baited with virgin males, mated females, or no insects. Both types of traps were used for season-long monitoring of P. ornigis in three orchards in 1984. Yellow traps caught P. ornigis mainly during the midsummer generation, whereas traps baited with live virgin females showed flight periods corresponding to each generation of the host insect, the spotted tentiform leafminer, Phyllonorycter blancardella (F.).
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