CYDNIDAE OF THE WESTERN HEMISPHERE — FROESCHNER 569 



V, 0.54(0.46-0.60). Labial segments: 1, 0.47(0.46-0.50) ; II, 0.73(0.66- 

 0.76); III, 0.59(0.56-0.65); IV, 0.44(0.43-0.47). 



Pronotum: Width-length ratio, 2.64(2.47-2.79) : 1.40(1.30-1.49). 



Scutcllum: Length-width ratio, 1.99(1.89-2.15) : 1.64(1.56-1.82). 



Length of body: 4.95(4.57-5.28). 



Type data. — Holotype male (USNM 64428) and allotype female 

 (USNM), both labeled "Brownsville, Tex., Mar. 14, 1936, P. A. 

 Glick, col., cotton on roots in soil." Paratypes as follows: 



United States: Texas: Austin, Mar. 1, 1901, 1 male (USNM), Aug. 24, 1927, 

 D. Rockefeller Exp., Gertsch, 1 female (AmMus). Bexar Co., from spoil, peach 

 orchard, W. F. Turner, 1 male Oabeled "Aethus sp. det. H. G. Barber"), 2 females. 

 Nov. 9, 1938, 9019, 1 female, Mar. 1937, 3385, 1 female; Mar. 27, 1932, under 

 litter, T 3282, 1 female; May 5, 1938, llD-14, 1 female; July 16, 1937, 5446, 



1 male; Nov. 6, 1936, 1 female (all USNM, same collector). Brazos Co., 1 female 

 (MCZ). Brownsville, June, 3 females (one labeled " Homaloporus sp. perhaps 

 pangaeformis Sign., det. E. P. Van Duzee") (KU); same data, double mount of 



2 females (one labeled "Pangaeus bilineatus Say," and the other "Aelhus n. sp., 

 det. H. G. Barber") (USNM); same data, double mount of 2 females (labeled 

 " Rhyddoporus sp.," in Van Duzee's handwriting) (CalAc) ; Oct. 1942, E. S. Ross, 

 at light, 3 females (CalAc); June 1903, 1 female with determination of "Cydnus 

 commu7i{s" crossed out (USNM) ; June 11-16, 1938, Darlington, 2 females (MCZ); 

 March 3, 4, 10, 11, 14, 1936, cotton on roots in soil, 6 females, 2 nymphs (USNM); 

 1929, 1 female (USNM); 1929, 1 female (with determination "Cydnus communis" 

 crossed out) (USNM). Del Rio, July 8, 1938, R. I. Sailer, 1 female (USNM). 

 Harlingen, Sept. 1, 1945, D. E. Hardy, 1 female (Si). Hidalgo Co., June 6, 1930, 

 J. C. Gaines, Tex. Exp. Sta. light trap, 4 females (one labeled "Aethus sp.") 

 (HMH, RCF). Runge, Sept. 24, 1906, 1 female, nighthawk stomach (USNM). 

 San Angelo, Tom Green Co., June 28, 1948, C. and P. Vaurie, 1 female (AmMus). 

 San Antonio, July 7, 1942, E. S. Ross, 1 female (CalAc). San Juan, June 28, 

 1939, L. W. Hapner, 1 female (KU). Uvalde, Aug. 4, 1937, D. J. and J. N. 

 Knull, 1 female (JCL). No exact locality. Mar. 27, 1900, 1 male (labeled "Geoto- 

 nius parvuhis," second label with note by Van Duzee, "does not agree") (USNM); 

 February, A. L. Melander, 1 female (labeled "Pangaeus sp.") (HMH). 



Mexico: Guerrero: 3 miles north of Chilpancingo, Nov. 18, 1946, 1 female 

 (CalAc). Jalisco: Volcdn de Colima, L. Conrad, 1 female (USNM). MSxico: 

 Tejupilco, June 16, 1933, H. E. Hinton, R. L. Usinger, 3 males, 5 females (RLU, 

 RCF). Morelos: Cuernavaca, June, 1 male (RCF). "Temixco," June 13, 1941, 

 1350, Bolivar, Osorio, 1 female (Pel). Oaxaca: Tuxtepec, J. Canelo, May 21, 

 1934, #894, 1 female (USNM). San Luis Potosi: 18 miles south of Tamazunchale, 

 Nov. 22, 1946, E. S. Ross, 1 female (CalAc). Y\catdn: Merida, July 29, 1952, 

 J. and D. Pallister, 2 females (AmM). 



Guatemala: 70 miles east of Guatemala City, May 8, 1947, R. R. Miller, 

 1 female (USNM). Panz6s, July 17, 1947, C. and P. Vaurie, 1 female (AmM). 



Costa Rica: Bcbedero, June 12-July 4, 1930, E. Reimoser, 17 females (Wien, 

 RCF), E. Reimoser, 1 male, 5 females (Wien). San Isidro, E. Reimoser, 1 female 

 (USNM). No exact locality, intercepted at Philadelphia on banana, Oct. 1, 1905, 

 F. K. Knab, 1 female (USNM). 



Discussion. — That such a common species should not have been 

 described previously is quite surprising. However, the confusion that 

 seems to permeate the studies of this family is very evident from the 



