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Cooper, M. I. (2017). Copulation and sexual size dimorphism in worm-like millipedes. Journal of Entomology and Zoology Studies. 5(3r): 1264-1266.
10.22271/j.ento.2017.v5.i3r.03 [view]
Cooper, M. I.
Copulation and sexual size dimorphism in worm-like millipedes
Journal of Entomology and Zoology Studies
5(3r): 1264-1266
CIM-ID: 17004
The prediction that copulation duration is shorter when sexual size dimorphism increases was tested in juliform millipedes at the population-level and species-level by tabulating and correlating ratios for mean sexual size dimorphism ranging from 1.0-1.6 (n=310) with mean copulation duration ranging from 34- 206 minutes (n=391) in 8 taxa: ord. Spirostreptida fam. Odontopygidae gen. Odontopyge (n=2spp.), Spinotarsus (n=1sp.) and fam. Spirostreptidae gen. Calostreptus (n=1sp.), Doratogonus (n=1sp.); and ord. Spirobolida fam. Trigoniulidae gen. Centrobolus (n=3spp.). Copulation duration and sexual size dimorphism were inversely correlated across populations (r=-0.5975, N=11, P=0.05) but not species. This study contributes to the allometry of copulation.
South Africa
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2019-12-23 08:00:26Z
2023-06-26 10:26:03Z

Calostreptus Cook, 1896 (additional source)
Doratogonus uncinatus (Attems, 1914) (additional source)
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