Zabrachia tenella, the pine black, is a European species of soldier fly.It has a wing length of approximately 2.5–3.5 mm, rendering it one of the smallest soldier flies in Europe. It Resembles Neopachygaster meromelas but has a swollen female occiput and fused R4+5 wing vein.The face is dark and lacking the silver stripe of N. meromelas. The larva feeds on fungus associated with decaying pine trees.
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