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Unformatted text preview: reproduction Viparity: Egg laying Oviparity Laying initiates egg development Viviparity initiation of egg development takes place in female Parthenogenesis Females produce viable unfertilized eggs Found in nearly all insect orders Leaf beetle genus Oreina Found in Europe All three reproductive strategies found in one genus 3 Parthenogenesis Types Obligatory Facultative Seasonal in aphids Asexual reproduction during summer Sexual reproduction in Spring and fall Variation in reproduction larvae O. variabilis eggs O. elongata larvae O. cacaliae Parthenogenesis in Hymenoptera Sex determination Haploid = male Diploid = female Mechanism Female lets sperm fertilize eggs, female With no fertilization, male Bumblebee life cycle Ant life cycle...
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This note was uploaded on 03/02/2012 for the course BIOLOGY 323 taught by Professor Rank during the Spring '08 term at Sonoma.
- Spring '08