CYDNIDAE OF THE WESTERN HEMISPHERE — FROESCHNER 513 



Specimens studied. — G males, 5 females: 



Panama: Canal Zone: Barro Colorado, June 22, 1924, N. Banks, 1 female 

 (MCZ); November, M. Bates, 1 male (MCZ); date unknown, Dodge (labeled 

 Cyrtomenus grossus), 1 male (MCZ); Nov. 25, 1893, E. I. Huntington, F.301125, 

 1 male (AmM). Cocoli, Aug. 21, 1946, N. L. H. Krauss, 1 male, 1 female (USNM). 

 Gatiin, August 1922, 1 female (USNM). Panama: La Chorrera, Busck, 1 female 

 (USNM). 



Nicaragua: Near Bluefields, Aug. 31, 1892, W. Richmond, 1 female (USNM). 



Colombia: Bogotd, 1 female (Wien). Don Amo, July, Ace. No. 19992, 2 males 

 (Car). 



Prolobodes reductum (Amyot and Serville) 



Plate figure 239 



Lobostoma redudum Amyot and Serville, 1843, p. 88. — Signoret, 1881b, p. 195, pi. 



6, fig. 16. 

 Prolobodes reducius Amyot and Serville, 1843, p. 676. — Lethierry and Severin, 



1893, p. 62. 

 Lobostoma reducta St&l, 1876, p. 18. 



Diagnosis. — The presence of numerous punctures laterally on the 

 anterior lobe of the pronotum plus the lack of an impressed transverse 

 impression set this species apart from the other two in the genus. 



Description.— Male : 



Head: Length about two-thirds width, 2.29(2.21-2.40) :3.42(3.36- 

 3.58); interocular width, 2.16(2.15-2.20); juga dorsally with very 

 weak, radiating rugae and usuall}^ obsolete minute punctures. An- 

 tennal segments: I, 0.72(0.63-0.80); II, 0.63(0.60-0.70); III, 0.86(0.79- 

 0.90); IV, 1.01(0.93-1.10); V, 1.05(1.01-1.09). Labial segments: I, 

 1.20(1.13-1.26);II,1.73(1.66-1.77);III, 1.50(1.43-1. 59);IV, 1.04(0.96- 

 1.14). 



Pronotum: Length more than half width, 4.79(4.49-5.18) :8.15(7. 50- 

 8.70); transverse impression absent or very weak laterally; anterior 

 lobe with 15 or more punctae laterally; posterior lobe with few widely 

 scattered punctae on anterior half. 



Scutellum: Wider than long, 5.35(4.95-5.67) :4.98(4.65-5.25); disc 

 with numerous, irregularly spaced punctures, some tending to coalesce 

 and form transverse rugae between them. 



Propleurae, mesopleurae and metapleurae: As described for genus. 



Legs and sternites: As described for genus. 



Terminalia: Gonostylus as illustrated (fig. 239). 



Length of body: li.Ol (13.27-14.58). 



Female: Similar to male but anterior pronotal impression weaker 

 and measurements more variable. 



Head: Length-width ratio, 2.25(2.08-2.47): 3.34(3.09-3.74); inter- 

 ocular width, 2.08(1.95-2.21). Antenna! segments: I, 0.71(0.66-0.78); 

 II, 0.53(0.51-0.56); III, 0.76(0.73-0.81); IV, 0.90(0.80-0.98); V, 



