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marginalis very long, at least as long as its distance from the basalis and fully as long as the radial cell. (radial cell always completely closed; gaster almost always modified in the sense that some telescoping of the apical segment takes place; ovipositor, if visible at all, never long, and thread-like, its sheaths projecting at most as a short stub; petiole at least one and a half times as long as wide and then the apical segments of the gaster more or less completely retracted)

future couplets
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