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A member of the family Torymidae, this wasp is parasitoid of cynipid wasps. Synonyms; Syntomaspis fastuosa
The common gall hosts of this species are; Triginaspis megaptera sexual. The flight times for this wasp is march.
The female wasp measures in at 3-3.9mm, excluding ovipositor, with an average of 3.6mm.
The head is a metallic bright green, sculpted with white hairs. The eyes are bright red. The antennae have are dark grey with longitudinal sensillae and a yellow/brown marked scape and metallic scape. There is one ring and 7 funicular segments.
The metallic coppery green thorax has white hairs and deep full length notaulices. The wings are clear with brown veins and hairs, with very short stigmal and post marginal veins. The legs have metallic copper coxae and femora, brown tibia and the tarsel segments, of which there are 5, are yellow.
The gaster (abdomen) is a high gloss copper metallic. It is triangular from the side and the ovipositor sheaths are hairy and moderate in length( about 66% of body length), dark brown above and pale yellow.
The male is 1.9-3.1mm averaging at 2.6mm in length.
The head is metallic green, sculputered with white hairs. The eyes are bright red. The antennae are dark grey with a dark metallic scape and pedicel. There is one ring and 7 funicular segments covered in pale longitudinal sensillae.
The thorax is metallic green, sculptured with hairs and the notaulicesare deep and full length. The wings are clear with brown veins and hairs, with very short stigmal and post marginal veins. The legs have metallic green coxae and femora, brown long, swollen tibia and the tarsel segments, of which there are 5, are yellow and banded yellow joints.
The short and wide gaster is metallic green.
More detailed descriptions and identification keys are available from Robin Williams at the British Plant Gall Society.
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