A fairly large (body length to 19 mm), dark grey-brown robberfly with the apical section of the wings brownish and contrasting with pale bases (bases milky-white in males). The femora are black but the tibiae are mostly reddish, the basal tarsal segments too.
Recorded prey includes chafers, sawflies, ichneumon wasps, flies and scorpion flies. When egg-laying, females drop eggs onto the ground or onto foliage whilst sitting on vegetation (hence the unmodified ovipositor). The larvae then develop as predators in sandy ground.
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