WebJun 6, 2013 · We focused on two syntopic species pairs, one including two sister species ( Bombus (Bombus) terrestris (L.) and B. (Bombus) lucorum (L.)) and the other with two ecologically interacting species ( B. terrestris and its specific nest inquiline B. ( Psithyrus) vestalis (F ourcroy )). WebApr 10, 2024 · In the first week of May nine commercial Bombus terrestris colonies (BioProduction®, Tappernøje, Denmark) were distributed in three areas in southern Sweden ( Figure 1 ). The bumblebee colonies, each contained in a plastic box with a mesh roof inside a cardboard box, were placed inside protective, ventilated wooden boxes.
A prokaryotic-eukaryotic relation in the fat body of …
WebApr 11, 2024 · Bumble bee ( B. terrestris) larvae were obtained during the Northern summer season (June/July) from three commercial Koppert pollination hives (Behr Bestäubung Biologischer Pflanzenschutz Welle,... WebNov 12, 2013 · A Bombus terrestris L. colony (supplied by Koppert BC), consisting of one queen and about 50 workers, was placed at the edge of a field on Rothamsted Research Farm (Hertfordshire, UK). A transparent Perspex® tunnel with moveable doors was mounted at the front of the colony so that bees could be removed and replaced as necessary. The … time server sydney australia
Bombus terrestris L.: a complex species or a species complex?
WebApr 1, 2008 · Bombus terrestris est une des espèces de bourdons les plus abondantes dans la région ouest-paléarctique. Son utilisation … WebBumblebees (Bombus terrestris): Influence of Observer Distance and Demonstrator Movement Aurore Avargue`s-Weber*¤, Lars Chittka Biological and Experimental Psychology, School of Biological and Chemical Sciences, Queen Mary University London, London, United Kingdom Abstract WebJun 1, 1994 · The presence of both triploid males and females in Bombus terrestris was detected by distinct chromosome observation and strictly applied the complementary sex determination (CSD) model previously proposed for Hymenopteran insects to reconfirm that the sex in B. Terrestris is determined by a single multi-allelic locus. 50 parasites effects on humans