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[From Ferris and Brown 1981; Scott 1986; Opler and Wright 1999; Glassberg 2001; Pyle 2002] Forewing 2.1-2.8 cm. White overall. Uppersurface of forewing with charcoal to black tip and one (male) or two (female) postmedian black spots, one spot on leading edge of hindwing. Undersurface uniformly white with yellowish
The P. rapae larva is voracious. Once it hatches from the egg, it eats its own eggshell and then moves to eat the leaves of the host plant. It bores into the interior of the cabbage, feeding on the new sprouts. The mustard oil from the host plant makes the larva distasteful to birds. The larvae adjust their feeding rate to maintain a
May 24, 2007 No Taxon pupa, pupae, pupate, pupation. Explanation of Names. Latin, pupa, a puppet, original meaning apparently "a young girl". Identification. pupa noun, plural pupae or pupas - in holometabolous insects (those showing complete metamorphosis), the third life stage. A pupa is normally not able to move
Identification of insects, spiders and mites in vegetable crops: workshop manual Pupa (pl. pupae). Resting stage between larva and adult. Raptorial. Adapted for seizing prey, as in the raptorial legs of the praying mantid. Russetting . 2004, Insect pest guide: a guide to identifying vegetable insect pests and their natural.
An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information.
Pieris rapae is easily confused with other common cabbage white butterflies: Pontia protodice, southern cabbageworm; Pieris napi, mustard white; and Ascia monuste (Linnaeus), The proportion of pupae that diapause increases as autumn progresses, so that at the time of the final generation all pupae are in diapause.
Apr 9, 2004 Cabbage white; California in August - Pieris rapae Not a flower petal - Pieris rapae Need help with ID please - Pieris rapae Miscellaneous #5 - Pieris rapae larva length to 35 mm. Identification. Adult: upperside of wings white or pale yellowish-white with black tip on forewing; upperside of female forewing
Field Crop and Forage Pests and their Natural Enemies in Western Canada: Identification and Management Field Guide. DEDICATION: TO .. 148. Appendix E: Relative Toxicity Rating of Insecticides to Common Natural Enemies of Field Crop Pests . . . . . . . . . .149 . Pupae can be covered by a protective case (flies, moths,.
Identification of insects, spiders and mites in vegetable crops: workshop manual. 22. Stages of heliothis egg development—freshly Pieris rapae. The larvae of the cabbage white butterfly are leaf eaters. Young larvae feed on the outer leaves of cabbage, cauliflower and broccoli plants. Mature larvae feed on outer leaves of

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March 2018