𝔖 Bobbio Scriptorium
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Description of the larval stage of Drusus mixtus (Pictet, 1834) (Trichoptera: Limnephilidae: Drusinae) with notes on its ecology and zoogeography

✍ Scribed by Johann Waringer; Wolfram Graf; Thomas Pitsch; Steffen U. Pauls; Ana Previšić; Mladen Kučinić


Book ID
116720439
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
427 KB
Volume
41
Category
Article
ISSN
0075-9511

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Male and female karyotypes are described of material from eastern Switzerland (2n d --60, 2n ? = 59; d XX/ 9 XO sex determination). At d meiotic metaphase ehiasma frequency is unusually high, more than half of the bivalents having two chiasmata; the recombination index is thus much higher than in ot