Petiole (insect anatomy)
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In entomology, petiole is the narrow waist of some hymenopteran insects, especially ants, bees, and wasps in the suborder Apocrita. The petiole can consist of either one or two segments, a characteris
The sand wasp Ammophila sabulosa has an exceptionally long petiole.
This Acanthomyrmex ant has a petiole and postpetiole
A mymarommatid wasp with a visibly 2-segmented petiole
Mymarommatidae
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The Mymarommatidae are a very small family of microscopic parasitic wasps. Only about half of the known species are living taxa, but they are found worldwide.
Petiole (insect anatomy)
…two-segmented petioles, while others have a single-segmented petiole. Certain wasps also possess a two-segmented petiole, notably extant wasps of the family Mymarommatidae. The fossil taxon Rasnitsevania (Praeaulacidae) has a two-segmented petiole. Petiole may also be used in the context of wing veins, where a wing cell…
Mymaromella mira