Two-toned Caterpillar Parasite Wasp - Heteropelma scaposum
- This page contains pictures and information about Two-toned caterpillar
parasite Wasps that we found in the Brisbane area, Queensland, Australia.
- Body length
- Two-toned caterpillar parasite is so-called because of the wasp has the
two-toned body colours, black in the head and thorax with orange at the abdomen.
The wasp has yellow legs and clear wings.
- This wasp is common in Brisbane garden. They are often found
flying around low bushes about one meter above ground.
- In the above pictures the wasp was get caught by a spider web. Another wasp of the same
species were wandering near by. We believe they were searching for caterpillars
- This wasps attack Native
Budworm helicoverpa and Armyworm
Spodoptera caterpillars, but their larvae
do not complete development until after the host caterpillar has pupated
- The wasp stings caterpillars at larger instars stages. After being parasitised, the host caterpillar continues
to grow and pupate as normal. However, shortly after pupation, parasitoid
feeds and kills the host. After the parasitoid is fully developed, it pupates within the
host pupal case. The adult wasp emerges by chewing open the pupal case and exits the pupal chamber by crawling up the emergence tunnel.
In spring, the parasitoid starts developing, the wasps emerging soon after the emergence of the
over-wintering Helicoverpa moths.
- 1. Insects
of Australia, CSIRO, Division of Entomology, Melbourne University
Press, 2nd Edition 1991, pp 943.
- 2. Heteropelma scaposum
- Australian Insect Common Names, CSIRO, 2005.
- 3. Parasitoids:
Natural enemies of helicoverpa - Department of Primary Industries and
Fisheries, Queensland, 2005
- 4. Wasps - family Ichneumonidae - lifeunseen.com, by Nick Monaghan.
- 5. An introduction to the Ichneumonidae of Australia - Gauld, I.D. 1984,
British Museum, p324.
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