... work is properly attributed. Summary: Flying insects frequently collide with obstacles when navigating dense clutter, but the performance consequences of collisions depend on which parts of the insect (e.g. leg, wing, body) are involved. Obstacles Biomechanics Hymenoptera Wind...

... workers display a higher heat tolerance by decreasing stress-induced protein aggregates. This highlights the importance of metabolites in the heat shock response of thermophilic organisms. Sugar Heat tolerance Arid region Hymenoptera RT-qPCR Protein aggregates Fonds de la recherche...

... during probing. Hymenoptera Material and structural properties Ovipositor biomechanics Steering mechanism For many insects, it is essential that they can locate and reach resources hidden in substrates. Examples are mosquitos searching for blood vessels ( Choumet et al., 2012...

... conditions, Wolbachia -infected individuals of the parasitoid wasp Hyposoter horticola experience greater hyperparasitism than uninfected individuals. Symbiont Ecological immunity Host–parasite interaction Hymenoptera Heritable endosymbiotic bacteria are extremely widespread among insects...

... of water may be of greater physiological importance than thermal tolerance to the tropical bee Austroplebeia essingtoni , which regulates humidity of the hive towards a microclimatic optimum. Austroplebeia essingtoni Hymenoptera Thermal performance Acclimatisation Metabolic rate Evaporative...

... . 10.1673/031.002.0101 Bell , W. J. ( 1973 ). Factors controlling initiation of vitellogenesis in a primitively social bee, Lasioglossum zephyrum (Hymenoptera: Halictidae) . Insectes Soc.   20 , 253 - 260 . 10.1007/BF02223194 Bloch , G. , Borst , D. W. , Huang , Z.-Y...

... and revised the article. Competing interests The authors declare no competing financial interests. 21 6 2013 19 11 2013 © 2014. Published by The Company of Biologists Ltd 2014 Hymenoptera Insect Resilin Wear Wing The wings of many insects experience cumulative...

... on particle size, particle surface energy, humidity and species size. To this end, workers of ant species Polyrhachis dives and Myrmica scabrinodis (Hymenoptera; Formicidae) were presented with loose synthetic powder barriers with a range of powder diameters (1–500 μm) and surface energies (PTFE or glass...

... slopes, and we conclude that slopes are monitored by a, still unknown, proprioceptive mechanism. * Author for correspondence (e-mail: [email protected] ) 19 2 2009 2009 Cataglyphis ants path integration vector navigation 3-D orientation Hymenoptera...

... but no chemicals have been identified so far. Here we report the first identification of a male sex pheromone in parasitic Hymenoptera. In abdomens of male jewel wasps, Nasonia vitripennis Walker, we found a mixture of(4 R ,5 R )- and(4 R ,5 S )-5-hydroxy-4-decanolide (HDL), which was released intermittently...

... to the acquisition of a visual representation and the task of pinpointing the goal. * Present address: Centre for Visual Sciences, Research School of Biological Sciences, Australian National University, PO Box 475, Canberra, ACT 2601, Australia. ©The Company of Biologists Limited 1996 Hymenoptera...

... centred on the goal. This procedure may help insects to pick out those objects close to the goal that are best suited for guiding later returns. ©The Company of Biologists Limited 1996 Hymenoptera landmarks dead reckoning navigation visual learning This brief review emphasises...