The Pampean region constitutes one of the most extensive and productive grasslands in the
world and experienced an abrupt agricultural expansion in the 20th century, which …

Cavity-nesting bees are enigmatic because they are difficult to observe in the wild, hence
trap-nests (man-made cavities) provide the means by which these bees may be studied …

Several crops depend on both managed and wild bees to produce fruits and/or seeds, and
the efficiency of numerous wild bees is higher than that of some managed species …

This work presents a review of natural enemy species associated with Centris analis and
summarizes the available information on life history, behavior, diversity, and specialization …

Mesocheira bicolor (Fabricius) is a cleptoparasite bee, widely distributed in the New World
from Mexico to northern Argentina. In Argentina, this species is only documented from …

Nesta contribuição, são descritos machos e fêmeas da nova espécie de abelha coletora de
óleo Tetrapedia australis. Indivíduos criados em ninhos-armadilha permitiram a associação …

Leucospis leucotelus (Hymenoptera: Leucospidae) parasitoide de la abeja carpintera grande
Xylocopa lateralis (Hymenoptera: Apidae, Xylocopinae) en Colombia SciELO - Scientific …

Tremex fuscicornis (Siricidae), known as the xylophagous horntail, and Leucospis japonica
(Leucospidae), known as the parasitoid wasp, are wood-boring wasps belonging to the …

Notes on three nests of the large carpenter bee Xylocopa (Neoxylocopa) frontalis
(Olivier)(Apidae) attacked by the parasitoid Leucospis leucotelus Walker (Leucospidae) are …

The ovipositor of the female (Leucospidae) is sometimes very short, otherwise it is curved
and extends along the dorsal part of the abdomen. The males have the peculiarity that the …