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- Kuramitsu, Kazumu; Yooboon, Thitaree; Tomatsuri, Morihiko; Yamada, Hideo; Yokoi, Tomoyuki
- Die Naturwissenschaften 2019 v.106 no.5-6 pp. 23
- Ibalia; Isopoda; Magnolia liliiflora; aquatic crustaceans; copulation; insects; males; mate guarding; parasitic wasps; reproductive success; trees; vertebrates; virgin females; Japan
- ... Precopulatory mate-guarding behavior is a common strategy that maximizes male reproductive success when female receptivity to copulation is low. This behavior has been demonstrated in vertebrates, aquatic crustaceans, terrestrial isopods, and some species of insects, but there is very little available information about hymenopteran insects. A few studies have clarified the factor that determines t ...
- Yamasaki, Kazuhisa; Takahashi, Ryoichi; Harada, Reona; Matsuo, Yuya; Nakamura, Masao; Takahashi, Jun-ichi
- Die Naturwissenschaften 2019 v.106 no.5-6 pp. 15
- Vespa velutina; apiculture; cytochrome-c oxidase; genes; introduced species; males; mitochondria; queen honey bees; social wasps; spermatozoa; Europe; Japan
- ... The yellow-legged hornet Vespa velutina has become one of the major alien species in European and East Asian countries. As in its homeland, the invading V. velutina is reported as the major predator of honeybees and is becoming a threat to beekeeping in Europe. However, it remains unknown how V. velutina might affect native hornets when it invades Asia, where a large number of Vespa species are di ...