HYMENOPTERA : FORMICARLE. 373 



CRABRONIDJE, Latr., OR WOOD-\VASP FAMILY. This 

 Family comprises hymenoptera which have the head cu- 

 boidal, the thorax spherical, somewhat flattened, and a 

 flattened abdomen, rarely pedicelled. They are often 

 found resting on leaves in the sunshine. 



The Genus Crabro -- Wood-Wasps proper bores into 

 posts and stumps, where it makes its nest, and stores it 

 with insects. 



The Genus PhilantJius burrows in sandy places, and 

 stores its nests with hive-bees, a single individual of which, 

 after being stung, is deposited with an egg. 



BEMBECID^:, Latr., OR BEMBEX FAMILY. This Fam- 

 ily embraces hymenoptera which have the head large, 

 body flattened, and the labrum large, long, and triangu- 

 lar. The Genus Bembex burrows in the sand, and stores 

 its nest with diptera for the future larvae. 



SPHEGID^:, Latr., OR MUD - WASP FAMILY. This 

 Family comprises hymenoptera which have long antennae, 

 pedicelled abdomen, and long hind legs. They are large, 

 black and red, brown and red, or wholly blue or black. 

 They are very active, and their sting powerful. 



SCOLIET.E, Latr., OR SCOLIA FAMILY. This Family 

 contains hymenoptera which have the body long, rather 

 narrow, and hirsute, the abdomen sessile, with two promi- 

 nent terminal spines in the males, and with short, spiny, 

 fossorial legs. They are black, with bright yellow spots 

 along the sides of the abdomen. 



FORMICARLE, Latr., OR ANT FAMILY. This Family 

 comprises hymenoptera which have the head triangular, 

 long geniculate antennae, the pedicel which connects the 

 abdomen with the thorax in the form of a knot or scale, 

 and the legs slender. They live in communities, which 

 are often large, and each species consists of males, fe- 

 males, and workers, the two former furnished with long 

 and deciduous or loosely attached wings, and the last 



