Hymenoptera

Phylogenies are usually dated by calibrating interior nodes against the fossil record. This relies on indirect methods that, in… (More)

The Hymenoptera Genome Database (HGD) is a comprehensive model organism database that caters to the needs of scientists working… (More)

BACKGROUND Anaphylaxis after Hymenoptera stings has been reported in subjects with mastocytosis, but few data exist regarding… (More)

The dominant and ancestral mode of sex determination in the Hymenoptera is arrhenotokous parthenogenesis, in which diploid… (More)

The purpose of diagnostic procedure is to classify a sting reaction by history, identify the underlying pathogenetic mechanism… (More)

Multiple mating by queens occurs in many species of social Hymenoptera despite its likely costs. Hypotheses to explain multiple… (More)

Interest in how often female social insects mate is particularly intense because of its impact on sociality and because of the… (More)

Based on the measurements of 1063 flower reflection spectra, we show that flower colours fall into distinct clusters in the… (More)

1. If a homing ant (Cataglyphis bicolor,C. albicans) gets lost, it does not perform a random walk but adopts a stereotyped search… (More)

Leaf cutting was selected for an evaluation of ergonomic efficiency in the fungus-growing ant Atta sexdens because it is… (More)