Chalastogastra
plural noun
Cha·las·to·gas·tra
| \ kəˌlastəˈgastrə \
Definition of Chalastogastra
: a suborder of Hymenoptera including the sawflies and horntails and characterized by the caterpillarlike larvae and by having the abdomen attached to the thorax by a broad base
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Merriam-Webster unabridged
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