SURFAM ILY VI. ALLOCORII YXINJE. 



91 



three-jointed club, basal joint elongate; month parts very small, 

 mandibles exhibiting no trace of angles; thorax flat, without 

 lateral margins; prosternum short, nearly all its length being 

 occupied by the subglobose front coxae; abdominal segments sub- 

 equal in length; tips of elytra separately- rounded leaving the 

 pygidium exposed; epipleura? narrow from the 

 humeri and disappearing about middle of ely- 

 tra ; tarsi broad, formed like those of a Clavi- 

 corn, first and second joints broad, third bilobed, 

 fourth small but visible between the lobes of the 

 third, terminal joint large with rather large 

 claws, joints 1 3 with long hairs projecting 

 from the sides; hind femora very broad, their 

 upper margin strongly curved, crenulate. The 

 Fig. 40. A, adult, only genus is 



X 9! B, hind femur, 



I. ALLOCORHYNUS Sharp, 1889. 



iginal.) 



To this genus, sufficiently characterized above, belong two 

 known species, one described from Mexico, the other from 

 Florida. 



120 ( ). ALLOCORHYNUS SLOSSONI Schaeff., Sci. Bull. Mus. Brook. Inst., 

 I, 1905, 139. 



Oblong, depressed. Reddish-yellow; elytra black, with an elongate red- 

 dish-yellow humeral space. Beak punctate in male, smooth, shining and 

 longer in female; head transverse, coarsely and sparsely punctured; anten- 

 nae with second joint shorter than the first, third subequal to the next two, 

 4 8 moniliform; last joint of club narrower, oval and acuminate at apex. 

 Thorax about twice as wide as long, sides crenate, broadly rounded to the 

 front, apex truncate, base feebly curved; hind angles obsolete, broadly 

 feebly rounded; disc smooth, shining, rather finely and sparsely punctate, 

 minutely alutaceous between the punctures. Elytra not wider at base than 

 thorax, shorter than abdomen, leaving the last segment exposed; sides 

 gradually but slightly diverging to apex, tips broadly and separately round- 

 ed; disc finely subrugose, punctured as the thorax, the punctures slightly 

 finer toward apex. Under surface smooth and shining; metasternum and 

 abdomen very sparsely and finely punctate. Length, including beak, 3.5 

 mm. male; 4.2 mm., female. (Fig. 40.) 



Biscayne Bay, Fla. Discovered by Mrs. A. T. Slosson, to 

 whom it was dedicated. The beetles, as well as the larv;e, live in 

 the cone-shaped aments of the flowers and fruits of the "coon tie" 

 or Florida arrow-root, Zainlo integrifolia L. 



Subfamily VII. ITHYCERIN/E. 



The single large species which represents this subfamily in 

 the Eastern United States has the mandibles emarginate at tip, 



