MORGAN HEBARD 



379 



a medio-longitudinal sulcu;^."" Subgenital plate convex, with distal portion 

 between ceroi somewhat flattened, leaving apertures between this and the 

 supra-anal plate at the cereal bases. 



Measurements {in millimeters) 



S S 



3 '"^5 '"^ "o^ «*-C *o.« 



-> 2o o^ °g o§ °2 



~— ■ ~ a ^ a ■^S jaS So 



cf ^ ^ ^ ^ ^ »3 



Rio Machuca, Costa 



Rica 18 4.8 7 22.7 5.8 4.4 



9 



Gatun, Panama 18. o 4.8 6.4 18 5.3 3.4 



Adventive 16.3 4.3 6 17 5 3.7 



The important features of coloration are discussed above. 



Specimens Examined: 3; 1 male and 2 females. 



Rio Machuca, Costa Rica, 150 meters, I, 1907, (P. Biolley), 1 d", [A.N.S.P.j. 

 Gatun , Panama, VII, 19 to 22, 1916, (D. E. Harrower), 1 9, [Hebard Cln.]. 

 S. S. Tenadores, en route New York, to Colon, Panama, X, 19, 1913, 

 (Hebard; dead in hold), 1 9, [Hebard Cln.l. 



'" Taken in its entirety, the supra-anal plate roughly shows a somewhat 

 trapezoidal contour, as described by Griffini. 



TRANS. A.M. ENT. SOC, XLII. 



