Assertion: mayfly | /r/HasProperty | soft-bodied insects
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Source sentences:
text: Annotated classification Order Ephemeroptera (mayflies) Soft-bodied insects; life cycle consisting of 4 stages—egg, nymph, subimago, imago; wings membranous, at rest held vertically upward; hind wings reduced; mouthparts and digestive system of adults nonfunctional; only insect to molt after developing functional wings; antennae bristlelike; 3 suborders—Carapacea (armoured mayflies); Furcatergalia (forked-gill mayflies); and Pisciforma (brush-legged, flat-headed, and minnow mayflies); about 2,500 species on all continents except Antarctica.