NO. 1G74. DESCRIPTIONS OF SOME BEES—COCKERELL. 415 



COELIOXYS MANILiE (Ashmead). 



Coelioxy>< manUw Ashmead, Canacl. Entomologist, XXXVI, p. 281. 



The last dorsal segment (female) is broadly rounded, much like 

 that of C. lanceolata Nylander. 



MEGACHILE ROBBII (Ashmead). 

 McgacJiilc rohbii Ashmead. Proc. U. S. Nat. Miis.. XXVIII, p. 12S. (Female.) 



The ventral scopa is very pale fulvous, black at tip; the tegula? 

 are red with a black basal spot. TIiq unique type is from Manila. 



Genus MESOTRICHI A Westwood. 



This genus, usually considered a synonym of Xylocopa, appears to 

 be valid, as Ashmead states." I can not satisfactorily separate 

 Cyaneoderes from it. 



MESOTRICHIA CffiRULEA (Fabricius). 



Bombiis .•(Frulcufi Fabricius, Syst. Piez., 1804, p. 345. ("New Caledonia.") 



Xylocopa semiarmcnia Latreille; Wiedeman, Mag. f. Ent., IV (1821), 

 p. 421. — Lepeletier, Hist. Nat. Ins. Hym., II, 1841, p. 200, as synonym. 

 (Java.) 



Xylocopa cwrulea Lepeletier, Hist. Nat. Ins. Hym., II, 1841, p. 200.— Friese, 

 Abt. Nat. Ver. Bremen, 1904, p. 134. (Buitenzorg, Java.) 



Koptorthosoma ('(cnilcum Cameron, Proc. Zool. Soc, London, May, 1901, 

 p. 34. (Malay Peninsula.) 



Cyancodcrcs fairchildi Ashmead, Ti-ans. Amer. Ent. Soc, XXVI, 1899, 

 p. 70. (Java; the specimens collected by D. G. Fairchild at Buiten- 

 zorg, 1896.) 



MESOTRICHIA ABBOTTI, new species. 



Diifering from 31. cwridea as follows: 



M. carulcu (female). M. ahbotti (female). 



Larger; anterior wing 19-20 mm. Smaller; anterior wing not over 16 



long. mm. long. 



Only two submarginal cells, the first Three complete submarginal cells, 



transverso-cnbital nervnre absent, the first transverso-cubital nervure 



or represented by a faint streak. strong. 



First abdominal segment quite densely First abdominal sparsely and incon- 



clothed with blue hair; sides of spicuously clothed with blue hair; 



second fringed with blue. sides of second without blue. 



Wings fuscous, with pinkish-purple Wings darker, the purple stronger. 



iridescence. Supraclypeal ridge less prominent. 

 Supraclypeal ridge prominent and 



shining. 



Hahitat. — Trong, Lower Siam (Dr. W. L. Abbott). Three females. 

 Also from Trong, collected by Doctor Abbott, is a female of genuine 

 M. ccerulea^ with the face narrower than the average of the Javan 

 specimens, but evidently conspecific with them. I accept as the genu- 



o Trans. Am. Ent. Soc, XXVI, p. 71. 



