11- FAMILY II. BLATTID.E. THE COCKROACHES. 



with a median lengthwise sulcus, its apical half triangular, feebly pro- 

 longed, the apex notched. Subgenital plate large, its apical half subquad- 

 rate and deeply cleft. Length of body, $ , 7.8 8.3, 5, 7.3 8.4; of prono- 

 tum, $, 1.62.1, 9, 1.72:2; of tegmina, $, 7.29.3, $, 6.88.6 mm. 

 Width of pronotum, $ , 2.6 3, $, 2.43.2; of tegmina, $ and $, 2.3 2.9 

 mm. (Fig. 49, G.) 



Ormoud, Eustis, San ford, Sarasota and Dimedin, Fla., Feb. 1 

 Apr. 13; beneath dead leaves in oak woods and beaten from fol- 

 iage of oak and bay berry ; one Dunedin specimen at light, June 

 20 (W. AS'. B.). Recorded also from Atlantic Beach, Jacksonville, 

 Orlando, Lakeland and Key Largo, Fla., by R. & H.. Davis and 

 others, March 18 Aug. 25. It is a native species, ranging from 

 Tryon, N. Car., south and west to Brownsville, Texas. C. plocea 

 Rehn (llMUc, 104) from South Carolina is a synonym. 



II. PLECTOPTERA Saussure, 1864, 173. (Gr., "plaited" + "wing.") 



Very small oval species having the dorsal surface convex, 

 smooth, shining; head triangular, the angles broadly rounded; 

 eyes widely separated, ocelli absent; tegmina reaching tip of ab- 

 domen ; wings elongate, very delicate, their appendicular field 

 very large; sixth dorsal segment of male modified as in Gltori- 

 soneura. Other characters as given in key. 



41. PLECTOPTERA FLORIDANA Hebard, 1917b, 251. Small Florida Roach. 



Male Pale brownish-yellow with a tawny tinge; head, with a narrow 

 transverse brown line between the eyes; tegmina, wings and sides of pro 

 notum transparent with a yellow tinge; legs and abdomen pale reddish 

 brown. Interocular space wide, but less than the broad one between an- 

 tennal sockets. Pronotum narrowly elliptical, convex, the sides moro 

 strongly so, front margin truncate, hind one feebly rounded. Supra-anal 

 plate nearly twice as wide as long, its apical portion triangular, feebly con 

 cave and with blunt apex Cerci 6-jointed, flattened, the apex acuminate. 

 Subgenital plate small, sides converging to the subquadrate emarginate 

 apex, which bears at middle an acute triangular process, on either side of 

 which are borne the small, slender, subequal styles. Females Very simi- 

 lar in color; abdomen dark brown with sides of segments yellow. Inter- 

 ocular space broader than in male; supra-anal plate distinctly notched at 

 apex; subgenital plate large, broadly concave at sides near bases of cere 1 '. 

 Length of body, male and female, 4.9 5.7; of pronotum, 1.3 1.6; of teg- 

 mina, 4.4 5.1. Width of pronotum, 2.1 2.4; of tegmina, 1.8 2 mm. (Fig. 

 49, E.) 



Key West, Fla., March 3, 101!); two adults, three nymphs, 

 taken by beating (^^'. 8. /?) Known in the United States only 

 from Cocoanut Grove, .Tan. 1!>; Big Pine Key and Key West, Fla., 



