266 ENTOMOLOGICAL NEWS. [June, 'l6 



Allotype: 9 ; San Domingo. August, 1905. (Aug. 

 Busck.) [United States National Museum.] 



Description of Allotype. Agrees with male except in the following 

 features. Size slightly larger. Produced latero-caudal angles of dor- 

 sal abdominal segments very slightly more decided (as shown also by 



this sex in opaca}. Supra-anal plate produced, 

 narrower and more strongly emarginate meso- 

 distad than in opaca; lateral margins weakly 

 convex, mesal portion deeply subrectangulate 

 Eurycotis tibialis new sp e- emarginate with margins weakly convex, the 



cies. Caudal face of caudal lateral productions thus formed being equally 

 tibia of allotype ?. (x2.) .... 



convex on each side with apex rather sharply 



rounded. Subgenital plate of normal form in the genus. Caudal tarsal 

 joints contained 1.28 times in the caudal tibial length (in the other 

 female before us 1.24 + times). 



Measurements (in millimeters). 



Length Inter- Length Width Length Width Length Length of 



of ocular of pro- of pro- of of of cau- caudal tarsal 



body width notum notum tegmen 3 legmen* dal tibia joints 



c?, type. 27.5 3.7 9.4 13-3 6.8 3.6 11.2 8.9 



^.allotype. 29.5 3.6 9.8 139 7.2 3.9 11.9 9-3 



Adventive ?. 31.0 3.7 9.8 13.7 7.4 3.8 11.2 90 



Coloration. Very dark brown except inconspicuous minute ocellar 

 dots, antennal sockets and soft portions of clypeus which are buffy. 

 Pronotum, mesonotum, tegmina and metanotum almost black to black- 

 ish chestnut. Head and abdomen above and below black with a brown 

 suffusion. Antennae auburn becoming blackish near the base. Coxae 

 and femora almost black, to blackish chestnut, the latter in the paler 

 condition becoming darker distad ; tibiae and tarsi black with a brown 

 suffusion. 



Specimens Examined : 3; i male and 2 females. 



San Francisco Mountains, San Domingo, September, 1905. 

 (A. Busck), i $ , type, [U. S. N. M.]. 



San Domingo, August, 1905, (A. Busck), i 9, allotype, 

 [U. S. N. M.]. 



Adventive at Orono, Maine, i 9 , [Maine Agric. Exp. Sta. 



On.]. 



EXPLANATION OF PLATE XIV. 



Fig. i. Eurycotis tibialis. n. sp. Dorsal view of allotype. 9. (X 2.) 

 Fig. 2. Eurycotis abdoininalis, n. sp. Dorsal view of type. 9. (X2.) 



3 The tegmina in nearly their proximal half are concealed by the pro- 

 notum. The measurement is of total length. 



4 This measurement is taken at the margin of the pronotum. 



