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Classification
Superfamily : Chalcidoidea
Family : Pteromalidae
Subfamily :
Pteromalinae
Petiole
present and distinct.
Second gastral
tergite shorter than first tergite.
First gastral tergite not broadly
concave.
Occiput without
a distinct semicircular carina.
Diagnosis
Distribution
Trigonogastrella
is known only from eastern Australia, where it has been found from Queensland
to Victoria and Tasmania.
Hosts
Biology
Known as parasitoids of leafmining Diptera on herbaceous plants.
Comments
This is a fairly common parasitoid of agromyzid leafminers in Australia, however it has not yet been found in Southeast Asia. It might be useful as an imported biological control agent in Asia, and as a native natural enemy if the leafminer gets to Australia.