Xylocopa violacea

About: Xylocopa violacea is a research topic. Over the lifetime, 23 publications have been published within this topic receiving 209 citations. The topic is also known as: violet carpenter bee & Carpenter bee.

Tre nye arter af bier for den danske fauna (Hymenoptera, Apoidea).

Abstract: Since the latest update of the checklist on bees known from Denmark, the following three species have been added as new to the country: Colletes halophilus Verhoeff, 1943 (Colletidae), Nomada obscura Zetterstedt, 1838 (Apidae) and Xylocopa violacea (Linnaeus, 1758) (Apidae). The national checklist hereby includes 286 bee species, but more species will probably be found in the future, as the wild bee fauna in Denmark has never been thoroughly investigated.

Territorial defence by male wool carder bees, Anthidium septemdentatum (Hymenoptera: Megachilidae), directed towards giant carpenter bees, Xylocopa violacea (Hymenoptera: Megachilidae)

Abstract: Male Wool Carder bees, Anthidium septemdentatum Lepeletier 1841, were videographed as they patrolled their territories of several square meters in the Mediterranean macchia to record their reactions when the much larger Xylocopa violacea Fabricius 1775 entered these. They feigned attacks by flying very close to X violacea at speeds of up to 1 m s -1 , even in a maze of twigs; they flew slowly, circling the intruder; they made single or multiple advances which sometimes led to direct touching of the body or wings of the intruder. Impact speed was nearly 1 m s -1 , typical impact impulse, impact force and impact pressure against the two abdominal sides were 0.00012 Ns, 0.024N (16 times body weight) and 24 kPa respectively. Carpenter bees never appeared to be hurt.