no. 3601 TRIPLAX AND HAEMATOCHITON — JOHNSON 7 



specific. The size range of the 22 specimens examined is: length 

 2.81-4.27 mm; width 1.69-2.39 mm. 



Male genitalia: Illustrated in figure 1. 



Holotype: Male, labeled "Ciruclas, Costa Rica, IX-22-30; col- 

 lected by A. Alfaro" (property of CNHM). Its measurements are: 

 length 3.71 mm; width 2.14 mm. 



Type-locality: Ciruclas, Costa Rica. 



Paratypes: Mexico: Veracruz, Coyame (Whitehead; WWB), 4; 

 Veracruz, Buen Pais (Bechtel and Schinger; CNHM), 1; Veracruz, 



Figure 1. — Triplax aharengai, 

 new species: anterior end of 

 internal sac, anterodorsal view. 



Cerro Gordo (Seevers; CNHM), 1. Costa Rica: Same data as type 

 (CNHM), 1. Panama: Canal Zone, Barro Colorado (Darlington; 

 AMNH), 1; Canal Zone, Barro Colorado Island (lot 47-4230; USNM), 

 1; Canal Zone, Fort Clayton (Frick; CAS), 1; Paraiso (Schwarz; 

 USNM), 1. El Salvador: La Libertad (Bechyne, MA), 5; La 

 Libertad (Bechyne; WWB), 5. 



Distribution: From Panama to Mexico. 



