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Sex Pheromone of the Mirid Bug Phytocoris relativus
The sex attractant pheromone produced by adult females of the mirid bug Phytocoris retativus has been identified as a 2:1 blend of hexyl acetate with (E)-2-octenyl butyrate, and the function(s) of these chemicals were not determined.
A taxonomic revision of the Australian genus Phoracantha Newman (Coleoptera: Cerambycidae).
The Australian longicom beetle genus Phoracantha Newman is revised and the scope of the genus is redefined. Tryphocaria Pascoe is synonyrnised with Phoracantha. The revised Phoracantha includes 40
Development, Survival, Body Weight, Longevity, and Reproductive Potential of Oemena hirta (Coleoptera: Cerambycidae) Under Different Rearing Conditions
In terms of time, labor, and the number of resulting adults, collecting larvae in the field in autumn and then transferring them onto artificial diet is the most effective method for maintaining a laboratory colony.
Function of Prolonged Copulation in Nysius huttoni White (Heteroptera: Lygaeidae) Under Male-Biased Sex Ratio and High Population Density
The results suggest that males prolong copulations to increase their fertilization success relative to their rivals in response to high sperm competition intensity under male-biased sex ratio and high population density.
A revision of the Australasian genus Coptocercus Hope (Coleoptera : Cerambycidae : Phoracanthini), with descriptions of twenty-one new species
Sixteen species were assigned to Coptocercus before the current study commenced, which includes 36 species, 21 of which are established as new: C. tricolor, C. robustus and C. schneiderae, which are now recognised as new.
Biology and Host Relations of Avetianella longoi (Hymenoptera: Encyrtidae), an Egg Parasitoid of the Eucalyptus Longhorned Borer (Coleoptera: Cerambycidae)
Because of its relatively high fecundity and its ability to use host eggs of a range of ages, A. longoi seems to have good potential as a biological control agent of the eucalyptus longhorned borer, and can complete 6 generations for each beetle generation, allowing parasitoid populations to expand rapidly.
A polyandrous female moth discriminates against previous mates to gain genetic diversity
The findings on Ephestia kuehniella showed limited ability to disperse, and females laid all their eggs locally, mostly within 2 days, suggesting that offspring live together and that sib copulations are common in this species, therefore, polyandry is probably a mechanism for reducing sib competition and inbreeding costs in offspring.
Coleoptera genera of New Zealand
A checklist for the New Zealand genera of Coleoptera is provided and introductory information on the systematics, species number and biology is included. A total of 1091 genera are placed into 82
Male moths undertake both pre- and in-copulation mate choice based on female age and weight
  • Jin Xu, Qiao Wang
  • Biology
    Behavioral Ecology and Sociobiology
  • 4 February 2009
It is shown that in E. kuehniella, younger and heavier females have significantly higher reproductive value than older and lighter ones, and male sperm supply significantly decreases over successive copulations, and it is suggested that the allocation of more sperm to high-quality females functions to increase sperm competitiveness against rivals.
Patterns of Host Utilization by Two Parasitoids (Hymenoptera: Braconidae) of the Eucalyptus Longhorned Borer (Coleoptera: Cerambycidae)
The behavior and biology of the Austra- lian parasitoids Syngaster lepidus Brulleand Callibra- con limbatus, which are being introduced into California as biolog- ical control agents of the eucalyptus longhorned borer, are studied.