Tuesday, 28 October 2003

This presentation is part of : Display Presentations, Section Cd. Behavior and Ecology

Vibrational communication in the southern green stink bug Nezara viridula (L.) (Hemiptera: Heteroptera: Pentatomidae)

Meta Virant Doberlet1, Andrej Cokl1, Petra Pavlovcic1, Maja Zorovic1, Vladimir Meglic2, Simona Susnik2, and Jelka Sustar Vozlic2. (1) National Institute of Biology, Department of Entomology, Vecna pot 111, POB 141, Ljubljana, Slovenia, (2) Agricultural Institute of Slovenia, Hacquetova 17, Ljubljana, Slovenia

The southern green stink bug Nezara viridula (L.) (Heteroptera: Pentatomidae) is one of the important cosmopolitan insect pests. Bugs found today on different continents apparently do not differ morphologically. However, more detailed studies of ecology and mating behaviour of this species revealed substantial differences among geographically isolated populations. For example, during courtship males and females of N. viridula emit species and sex specific vibrational signals called ‘songs’. The songs of existing geographically isolated populations differ in their temporal characteristics and these differences can be attributable to genetic factors.

Preliminary results from analysis of genetic variation among geographically isolated populations using isozymes and RAPD indicate that there are consistent differences among populations. Temporal parameters of vibratory signals and genetic markers allowed for the comparison among populations on different constinents. The observed differences warrant the development of more specific genetic markers like microsatellite markers and analysis of mitochondrial DNA.

Species 1: Heteroptera Pentatomidae Nezara viridula (southern green stink bug)
Keywords: behavior, diversity

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