Insects of Southern Australian Broadacre Farming Systems - Grains ...
Insects of Southern Australian Broadacre Farming Systems - Grains ...
Insects of Southern Australian Broadacre Farming Systems - Grains ...
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EGG PARASITOIDS<br />
Hymenoptera: Trichogrammatidae, Scelionidae and Mymaridae<br />
Various species<br />
Specialists (egg parasitoids) and transient<br />
Distinguishing characteristics/description<br />
Trichogrammatidae<br />
adult<br />
10 mm 20 30<br />
* Robust marginal<br />
wing vein and no veins<br />
posterior to this<br />
* Tarsi three<br />
segmented (segments<br />
elongated and <strong>of</strong><br />
roughly equal size)<br />
Scelionidae<br />
Telenomus spp.<br />
adult<br />
* Body fully<br />
hardened<br />
(sclerotised)<br />
10 mm 20 30<br />
* Antennae located low on ‘face’<br />
with long 1 st antennal segment<br />
(scape) giving it a ‘z’- shape<br />
* Antennae short<br />
(4 - 9 segments)<br />
* Body not very<br />
hardened (sclerotised)<br />
although some are bigger<br />
* Wing venation<br />
completely reduced<br />
Parasitoid <strong>of</strong><br />
Rutherglen bug<br />
* Very short<br />
ovipositor<br />
Trichogrammatidae<br />
parasitising Helicoverpa<br />
moth egg<br />
Wasp development in<br />
Rutherglen bug eggs<br />
*indicates character for all species<br />
SECTION 4 COMMON Pest, Beneficial AND EXOTIC Species<br />
87<br />
<strong>Insects</strong> <strong>of</strong> <strong>Southern</strong> <strong>Australian</strong> <strong>Broadacre</strong> <strong>Farming</strong> <strong>Systems</strong> Identification Manual and Education Resource © 2012
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