90 



Journal New York Entomological Society, t^'oi xxii. 



-^ 



longer than, distal abdominal segment. (Wings not visible. Spine of 

 pygidium of male strongly acicular. Forceps of male curving down- 

 ward in proximal third, thence curving upward in a broad sweep to 

 apex.) davisi new species. 



Doru lineare (Eschscholtz). 



1822. Forficula linearis Eschscholtz, Entomogr., p. 81. (Santa Catharina, 

 Brazil.) 



1839. Forficula suturalis Serville, Hist. Nat. des Ins. Orth., p. 40. (Porto 

 Allegro, Brazil.) 



1862. Forficula taruiata Dohrn, Stett. Ent. Zeit., XXIII, p. 230. (Oaxaca, 

 Mirador, Mexico.) 



1865. Florficula'] californica Dohrn, Stett. Ent. Zeit., XXVI, p. 85. 

 (California.) 



1876. Forficula luteipes Scudder, Proc. Bost. Soc. Nat. Hist., XVIII, p. 

 255. (Brazil.) 



1876. Forficula exilis Scudder, Proc. Bost. Soc. Nat., XVIII, p. 262. 

 (Texas.) 



1891. Sphingolabis »ieridio)wlis Kirby (in part), Journ. Linn. Soc. Lon- 

 don, Zool., XXIII, p. 529. (Theresopolis, Brazil.) 



Type: Female; Santa Catharina, Brazil. 



Scudder's descriptions in 1876 of the male as Forficula exilis, and 

 of the female as Forficula luteipes, are as full as any published for the 

 present species. Considerable variation is shown in size and color 

 and also in the shape of the male forceps. Material from Texas, 

 Mexico, Cuba, Nicaragua and Costa Rica includes the largest speci- 

 mens and averages considerably larger than material from Arizona, 



I 2 



Dorsal outline of male forceps of 

 Doru lineare (i ; Brownsville, Texas) 

 and (2; Baboquivari Mount., Ariz.) 



^b^==. 



S=^^ 



Lateral outline of male forceps of 

 Doru lineare (3 ; Brownsville, Texas) 

 and (4 ; Baboquivari Mount., Ariz.) 



California, Brazil and Argentina. In the series are a number of 

 specimens which have the head and pronotum shining burnt sienna in 

 general coloration instead of the usual shining blackish brown. The 

 male forceps range from a rather heavy type, rather sharply bent at 



