𝔖 Bobbio Scriptorium
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Evolution of exocrine chemical defense in leaf beetles (Coleoptera: Chrysomelidae)

✍ Scribed by J. M. Pasteels; M. Rowell-Rahier; J. C. Braekman; D. Daloze; S. Duffey

Book ID
105410218
Publisher
Springer
Year
1989
Tongue
English
Weight
894 KB
Volume
45
Category
Article
ISSN
1420-682X

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The number and distribution of chiasmata per cell at diakinesis has been analyzed in four populations ofDicladispa testacea (L.) and in two ofPolyconia caroli Lepr. both having 2n = 16 and a 7 + Xyp male meiotic formula. Most bivalents were unichiasmate and the distal chiasma position was the one mo