Sept., 19 16.] ACKERMAN : CaRPENTER-BeES OF U. S. 227 



in The Insect Book, where Howard figures ccncipciiuis on plate II, 

 fi?- 25. 



Among other described forms occurring within the range of bra- 

 silianoriim which will without a doubt ultimately be recognized as 

 subspecies of this species are ordinaria Smith, niorio Cresson, vires- 

 ecus Smith, frausitoria Perez, and rnordax Smith. 



Xylocopa californica Cresson. 



Xylocopa californica Cresson, Proc. Ent. Soc. Philadelphia, III, p. 40. n. 3, 



?, 1864. 

 Xylocopa californica Fowler, Rept. Cal. Exp. Sta., p. 318, $, (j", 1898-1901. 

 Xylocopa amblardi Perez, Act. Soc. Bordeaux, LVI, p. 115, (^, 1901. 

 Xylocopa californica Cockerell, South. Cal. Acad. Sc, No. 6, p. 87, June, 1904. 

 Xylocopa californica Cockerell, Ent. News, p. 395, var. a. ^. 1907. 

 Xylocopa californica Maidl, Ann. Nat. Hist. Hof.— Mus., Wien, p. 309, ,^, \gi2. 



Length of female, 22-24 vcim. ; of male, 20-22 mm. 



Female. — Head thick, almost as wide as thorax, black with blue, 

 green and purple tints, the green color predominating ; hairs black, 

 well punctured, especially on the face ; mandibles black with two 

 teeth at the apex, base flat and having very few punctures, inner 

 longitudinal groove not very deep, outer one very faint ; labrum semi- 

 oblong in form, emarginate in the middle, giving the appearance of 

 two lobes, small and black ; clypeus flat, very closely punctured, iri- 

 descent, longitudinal carina small and faint; lateral foveolos of me- 

 dian depth, frontal groove shallow ; frontal shield flat, a little con- 

 caved above, closely punctured, iridescent ; frontal carina short, blunt, 

 upper side convex ; median ocellus very sunken, posterior ones well 

 carinated in front, no ocellar pits present ; eyes small, very far apart, 

 so that the face is extremely wide ; antennae of the usual female form; 

 vertex just behind the posterior ocelli prominently raised, green and 

 blue colored, punctation large, coarse and abundant ; cheeks blue, 

 purple and green mixed, large but sparse punctures. 



Thorax with disk large and black, color otherwise blue and green, 

 also on sides and below ; pilosity short and sparse above, black with 

 gray mixed, entirely black and longer on sides and beneath ; scu- 

 tellum green, well punctured, post-scutellum narrow and well punc- 

 tured. 



Abdomen above olive green with some blue at the apex, venter 

 blue with tints of green ; punctation fine and sparse above, very abun- 



