546 REDUVINA. 



5th a trifle shorter than the 4th ; 4th and 5th petiolate. Eyes large, 

 oval, prominent. Ocelli small, distant, inserted close to the base of 

 the head. Rostrum stout, hairy, curved, reaching to the 1st pair of 

 coxae j 1st joint very thick, as wide at the base as the end of the face; 

 2nd and 3rd in length subequal, 2nd gradually widened, 3rd gradu- 

 ally narrowed to the end ; 4th short, aculeate. 



Thorax. Pronotum long-trapezoidal, constricted beyond the 

 middle ; anterior margin short, straight, incrassated in the middle ; 

 anterior angles much rounded ; side margins curved under, the post- 

 medial incision slight ; posterior margin straight, the angles obtuse. 

 Scutellum rather small, somewhat depressed at the base. Elytra (in 

 our species) not reaching beyond the 1st abdominal segment ; Clavus 

 wanting ; Corium shorter on the inner than on the outer margin ; 

 posterior margin straight ; Membrane rudimentary, appearing merely 

 as a border to the corium. Sternum ; Prosternum produced round 

 the coxae, and into a short point between them, the middle with a 

 deep narrow channel ; Meso- and Metasternum depressed in front, 

 raised posteriorly, and with a short, slight keel. Legs strong; 

 thighs ; 1st and 2nd pairs stoutest (the 1st the stouter of the two), 

 fusiform, 1st pair beneath, on the 2nd , flattened, with 2 rows of 

 strong, spinose teeth ; 3rd pair subclavate, compressed ; tibia thick- 

 ened to the apex ; 1st pair stoutest, flattened, and angularly widened 

 to the apex ; on the inner side curved and set with spinose teeth, 

 the end itself obliquely truncate, and furnished with an expanded, 

 spongiose cushion ; 2nd pair at the end with a similar but smaller 

 cushion ; tarsi slender, stouter, and longer in the 3rd pair; 1st joint 

 very short ; 2nd and 3rd in length subequal ; claws very long and 

 curved. 



Abdomen long-oval, convex above, very convex beneath ; Con- 

 nexivwn broad, much reflexed. 



Species I, METASTEMMA GUTTULA. 



REDUVIUS GUTTULA, Fab. E. S. iv, 208, 54 (1794) ; S. E. 281, 70 (1803), 

 NABIS lat. Gen. iii, 128 (1807) ; Halm, Wauz. ii, 28, t. 4-1, 



fig. 130 (1834). 



PROSTEMMA Lap. Hem. 12, 13 (1833) ; Curt. B. E. xv, pi. 684 

 (1838) ; Burm. Haudb. ii, 241, 1 (1835) ; Stein, 

 Berl. Ent. Zeits. i, 86, 1 (1857). 



