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pieris rapae

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  • The caterpillars of most Whites feed on various species of mustards (Family Brassicaceae), while the caterpillars of most Sulphurs feed on legumes (Family Leguminosae).

pieris rapae pieris rapae Presentation Transcript

  • Cabbage White Butterfly Pieris rapae
  • Overview: Cabbage White Butterfly ; Cabbage White is the common name related to species of Genus Pieris. This is a widely distributed butterfly. Considered as agricultural pest; larvae feed on vegetable gardens and crops.
  • Classification Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Lepidoptera Family: Pieridae Genus: Pieris Species: rapaePieris rapae
  • Order : Lepidoptera Lepidoptera is the Order of Butterfly and Moths. One of the five mega diverse orders in class insecta. 120 families described. Lepidoptera species number is not
  • Order : Lepidoptera They have two pair of membranous wings covered with overlapping scales. Type of antenna is not similar between species. Having a sucking tube mouthpart in adult
  • Lepidoptera The type of metamorphosi s is Holometabolo usEgg LarvaAdult Pupa
  • Family : Pieridae More than 1000 species in 75 genera have been described. Mostly white, yellow or orange in color. Pierids display sexual dimorphism in color patterns. This group is cosmopolitan
  • Family : Pieridae Several species have achieved important agricultural pest status, particularly the small cabbage white (Pieris rapae) There may be more than one generation per year. Females lay columnar eggs on leaves, buds or stems. Usually they overwinter as larvae or pupae.
  • Cabbage destroy
  • Caterpillar on a vegetable
  • Pieris spp Characteristics: The two important species of this genus are P. brassicae Large white and P. rapae Small white butterfly. These two species are distinguished by their size, the black tips of their forewing, also by color of their caterpillar. Two submarginal black spots in the female and one in the male. The adult typically lives about three weeks in summer.
  • Egg Adul t Life CycleLarva Pup
  • Egg: :Egg: Their Eggs are pale yellow, bottle shaped and rigid. Pieris rapae took about twenty minutes to lay its cluster of eggs on the underside of some vegetable leaves . The number of eggs may also be as large as 1,000.
  • Larvae: Larvae are camouflaged by coloration. Bears pairs of prolegs, there are five instars Feeds on plants(Brassica family-cabbage-) Larval stage takes 17 days. And reaches 50mm length. Yellow spots are visible on the sides of the instars.
  • Pupa: The pupation stage lasts around 11 days The chrysalis is about 18 to 20 mm in length Pupa stage lives over the winter. Having a rigid outer shell.
  • Pieris rapae
  • Male Femal e Mating
  • Habitat and Behavior: Habitat is almost any type of open space, including weedy areas, gardens,roadsides, cities, and suburbs. Female is active during the day, with slow lumbering flight; male flies in a straight line. Smelling sense of the insect is very specific, and in case of choice between different cruciferous species and varieties, The severity of cabbage white problems can vary considerably from year to year
  • References:Books: Cleveland P. Hickman, Jr., Larry S. Roberts, Allan Larson (2002). Animal diversity 3rd edition Grzimek’s animal life encyclopedia.— 2nd edition.(2004)Research articles:* K. Jõgar, L. Metspalu, K. Hiiesaar, A. Ploomi, E. Svilponis, A. Kuusik, (2009) Influence of white cabbage cultivars on oviposition preference of the Pieris rapae• Scott R. Smedley, Frank C. Schroeder, Douglas B. Weibel (2002) . Labile defensive lipids from the glandular hairs of a caterpillar (Pieris rapae)Websites: http://socalbutterflies.com//pieridae_html/pieris_rapae. htm