. Elementary entomology . FlG. 403. The fig insect (Blastophaga grossorum], whose introduction has made Smyrna fig culture possible in California. (Enlarged) a, adult female; ft, head of same from below ; c, from side ; d, male fertilizing female ; e, female issuing from gall; /, adult male. (After Westwood, from Howard) SUBORDER II. THE STINGING HYMENOPTERA (ACULEATA) In the second suborder the female bears a well-developed sting at the tip of the abdomen, which is effectively used as an organ of offense. The trochanters of the hind-legs have but a single seg- ment in all of the ants, wasps,
. Elementary entomology . FlG. 403. The fig insect (Blastophaga grossorum], whose introduction has made Smyrna fig culture possible in California. (Enlarged) a, adult female; ft, head of same from below ; c, from side ; d, male fertilizing female ; e, female issuing from gall; /, adult male. (After Westwood, from Howard) SUBORDER II. THE STINGING HYMENOPTERA (ACULEATA) In the second suborder the female bears a well-developed sting at the tip of the abdomen, which is effectively used as an organ of offense. The trochanters of the hind-legs have but a single seg- ment in all of the ants, wasps, and bees which form this suborder. 1. THE ANTS (FORMICINA] A long chapter might well be devoted to these well-known in- sects, for many interesting volumes have been written by some of our greatest naturalists concerning their remarkable intelligence and the highly developed organization of their Every one recognizes an ant, but the so-called white ants, or termites (Ternii- tidae, order Platyptera), and the velvet ants (Mutillidae) may be distinguished from them by the fact that the first segment of the 1 See the most interesting monograph of Dr. W. M. Wheeler, "Ants," Colum- bia Biological Series.
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