. Elementary entomology . Fig. 414. A digger-wasp {Ainniophila sp.). (Natural size) a, wasp putting an inch-worm into its nest burrow; h^ tlie nest burrow with food for the young, paralyzed inch-worms in bottom and burrow nearly filled ; c, wasp bringing a bit of material to put over the filled nest burrow. (From life, after Kellogg) unfortunately we have no means of recognizing them in the field. The wasps may be distinguished from the bees by the first seg- ment of the hind tarsus being cylindrical and naked, and the body hairs being simple and unbranched. Digger-wasps {Sphecind). Several fa

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. Elementary entomology . Fig. 414. A digger-wasp {Ainniophila sp.). (Natural size) a, wasp putting an inch-worm into its nest burrow; h^ tlie nest burrow with food for the young, paralyzed inch-worms in bottom and burrow nearly filled ; c, wasp bringing a bit of material to put over the filled nest burrow. (From life, after Kellogg) unfortunately we have no means of recognizing them in the field. The wasps may be distinguished from the bees by the first seg- ment of the hind tarsus being cylindrical and naked, and the body hairs being simple and unbranched. Digger-wasps {Sphecind). Several families of wasps are grouped together under this name, which is due to their habit of digging 1 See Kellogg's "American Insects," p. 548.

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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912