Data from: Intersexual 'arms race' and the evolution of the sphragis in Pteronymia butterflies

Ana Paula S. Carvalho, Luísa L. Mota & Akito Y. Kawahara
Sexual reproduction is often associated with intra- and intersexual conflict, especially in species where females mate multiple times. A strategy that has evolved in males to ensure offspring paternity is the ability to produce a complex, external mating plug called a sphragis. The sphragis has been found in 273 butterfly species; however, little is known about the sphragides of the butterflies in the nymphalid genus Pteronymia. In this study, we describe the sphragides of all...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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