126 NORTH AMERICAN BLATTIDAE 



Natchez, Mississippi, VI, 7, 1909, (E. S. Tucker), i 9 , [U. S. X. M.]. 

 Dallas, Texas, \TI, 7, (J. Boll), i o^, [AI. C. Z.]; \T, 16, (J. Boll), i cf, 

 [U. S. N. M.]. 



Waco, Tex., VII, 9 to 22, (Belfrage), 7 d^, [M. C. Z. and U. S. X. M.]. 



Parcoblatta lata (Brunner) (Plate V, figures 6 to 10; plate \T, figure i.) 



1865. I[schnoptera] lata Brunner, Xouv. S>'st. Blatt., p. 135. (Exclusive of syn- 

 onymy.) [cf, Xorth America ? i^^] 



1869. Ischnoptera hyalina Scudder, Trans. Am. Ent. Soc. ii, p. 307. [cf, Dela- 



• ware.] 



1893. Tenmopteryx major Saussure and Zehntner, Biol. Cent.-Amer., Orth., i, p. 

 54. [ 9 , Tennessee.] 



1905. Ischnoptera inaeqitalis Rehn and Hebard, (not of Saussure, 1862), Proc. 

 Acad. Xat. Sci. Phila., 1904, p. 779. (In part.) [o^, Thomasville, Georgia.] 



1905. Ischnoptera major Rehn and Hebard, ibid., p. 780. [Juv. ; Thomasville, 

 Tyty Plantation and Ocklockonee River, Georgia.] 



1910. Ischnoptera coiiloniana Rehn and Hebard, (not of Saussure. 1862), Proc. 

 Acad. Xat. Sci. Phila., 1910, p. 433. (Excepting references for I. coiiloniana by 



Saussure and Saussure and Zehntner.) [Twenty records from Delaware to Texas.] 



Scudcler, evidently misled by Brtmner's-"'^ incorrect and ques- 

 tioned synonymy under lata of Blatta elongata Beauvois and 

 Ischnoptera uortoniana Saussure, described the male of the present 

 species as /. hyalina, the type of which is before us. Failure to 

 associate the sexes resulted in Saussure and Zehntner's synonym, 

 Tenmopteryx major. 



The problem of properly associating these names has been ex- 

 tremely difficult. Rehn and Hebard, in 1910, \vorked out the 

 above synonymy in full, but unfortunately considered that I- 

 coiiloniana Saussure, represented the present species.-*'^ Careful 

 comparison of the figure of that species, the measurements and 

 description, with the much larger series of the genus now available, 



^^^ Brunner's description fits material before us in every detail, and we feel little doubt 

 as to the correctness of his locality. His clearly incorrect synonymy has resulted in the 

 failure of subsequent authors to place properly this name. 



-""The synonymy indicated by Brunner, in his " Nouveau Systeme des Blattaires," 

 was clearly made in haste, and in the majority of cases without careful stud\- of the 

 data at hand or examination of material involved. The valueless character of such 

 synonymic effort is illustrated by his placing I. coiiloniana Saussure under /. pensylvanica 

 on page 136, and under /. lata on page 413. 



-"' But two records by Rehn and Hebard as coiiloniana do not represent the present 

 species. The specimen from Anglesea, New Jersey, recorded in 1916, is a male showing 

 the maximum recessive coloration of divisa; the female from Fort Myers, Florida, rc- 

 ccrfk'd in 19 14, is an exceinionally large cxainj le n{ fidvescens. 



