THE INSECTS OF NEW JERSEY. 



669 



Fig. 273. Chrysis species. 



C. parvula Fab. Caldwell (Cr); Orange Mts, La- 

 haway X, 14 (Coll). 



C. doriae Grib. Lahaway VII, 18 (Sm). 



C. cceruleans Fab. New Brunswick, Lahaway VI, 

 24, VII, 18 (Coll) ; DaCosta V, 17, VII, 20, Man- 

 umuskin IX, 15 (Dke). 



C. nitidula Fab. Westville (Fox); Lucaston IX, 

 19, Brown's Mills VI, 23 (Dke); reared from 

 nests of "Odynerus" and "Osmia" in Europe. 



C. nortoni Aaron. Pennsylvania and probably New Jersey. 



C. smaragdula Fab. Lahaway VII, 12 (Sm); DaCosta VII, 20, Lucaston 

 IX, 2, Brown's Mills VII, 5, lona VIII, 25, Manumuskin VI, 22, Belle- 

 plain IX, 8 (Dke). 



Family EUMENID^. 



These are solitary wasps, with males and females only developed, and 

 the wings are folded lengthwise when at rest. They are predatory and 

 store their cells with insects of various kinds. They may be diggers, 

 borers in pith or wood or may make mud nests of more or less symmetri- 

 cal form. 



ZETHUS Fab. 

 Z. spinipes Say. Caldwell (Cr) ; Orange Mts. (Sm). 



EUMENES Latr. 



E. agilis Sauss. Philadelphia VIII (Fox) and sure to be found in New 

 Jersey. 



E. fraternus Say. Throughout 

 the State, V, VII-IX; this is 

 the common "potter wasp" 

 that makes vase-like mud 

 cells attached to low plants. 



E. globulosus Sauss. New Jer- 

 sey (Cress Coll). 



E. vertical is Say. Camden VIII, 

 3 (Fox). 



M, 



MONOBIA Sauss. 

 quadridens Linn. Through- 



out the State VI-VIII, local- 

 ly not rare. 



NORTONIA Sauss. 



N. symmorpha Sauss. Caldwell (Cr). 



ODYNERUS Latr. 



SYMMORPHUS Wesm. 

 O. philadelphiae Sauss. Caldwell (Cr). 

 O. debilis Sauss. Lahaway VII, 12 (Sm). 



Fig. 274. -Fraternal potter-wasp, Eumenes 



fraternus; a, wasp; b, its mud cell; 



c, same opened to show contents. 



