ANCHYTAKSTIS.— TETEAGLOSSA. 593 



Subfam. DASCILLIFM 



Group ANCHYTARSINI. 



ANCHYTAKSUS. 



Anchytarsus, Guerin, Spec, et Icon. gen. des Anim. Art. livr. vi. no. 15, p. 1, tab. (1849) ; Horn, 

 Trans. Am. Ent. Soc. viii. p. 86. 

 The single known species of this genus inhabits the Eastern States of North America. 

 A second from Nicaragua is now added. 



1. Anchytarsus substriatus. (Tab. XXVI. fig. 8, $ .) 



$ . Oblong-oval, moderately convex, sliming ; piceous, the front of the head, the antennae and legs, and the 

 epipleurae of the elytra obscure ferruginous, the palpi testaceous, the tips of the mandibles black ; tbickly 

 clothed with fine brownish pubescence. Head densely, minutely punctate, with intermixed slightly 

 coarser punctures, the eyes moderately large ; antennae about half tbe length of the body, rather slender, 

 joint 2 very small, the others elongate and serrate. Prothorax convex in front, transverse, rapidly, 

 arcuately narrowing from tbe base forwards, the hind angles sharp, the base bisinuate and very distinctly 

 erenulate ; the surface punctured like that of the head. Elytra nearly four times as long as the prothorax, 

 gradually widening to a little beyond the middle ; densely, minutely punctate, and obsoletely punctate- 

 striate towards the sides and apex. Beneath densely, minutely punctate. 



Length 10, breadth 4| millim. 



Hab. Nicaragua, Chontales (Belt). 



One example. This insect bears a very close superficial resemblance to Tetraglossa 

 patyalis, and also to various Ptilodactylini, differing from the former in the securiform 

 apical joint of the maxillary palpi, and from the latter in the simple tarsi. It is not 

 very closely allied to the North-American A. bicolor (Melsh.). 



TETRAGLOSSA. 



Head vertical, not prolonged in front, without frontal suture, sunk into the prothorax up to the eyes, the latter 

 large and rounded ; labrum broad, prominent; mandibles in great part exposed, short, curved, bifid at the 

 tip, the latter hidden beneath the labrum ; mentum broad, strongly transverse, narrowing in front, shorter 

 in the male than in the female ; ligula broad and prominent, deeply emarginate in the centre in front, 

 and with a slender lobe on either side of the emargination and a similar lobe at the outer angle ; apical 

 joint of the maxillary palpi long and slender, elongate-triangular ; apical joint of the labial palpi furnished 

 with three very long, stout, flattened, densely reticulate and pubescent, submembranous lobes, and the third 

 joint elongate, in the male, the apical joint stout and subsecuriform, and the third joint very short, in the 

 female ; outer lobe of the maxilla? divided into two tapering ciliate lobes, the external one slender and 

 very elongate, the inner lobe stout; antenna* long, serrate, the second joint very small; prosternum 

 horizontal and moderately long in front of the coxae, extending rather narrowly between them behind, 

 the process received into a deep notch in the mesosternum ; anterior coxse oval, a little more prominent 

 than the prosternal process, with large trochantin ; middle coxae a little more distant than the anterior 

 coxae, with distinct trochantin ; posterior coxae considerably dilated inwards, separated by a narrow 

 intercoxal process ; prothorax obsoletely margined at the sides behind ; tarsi rather slender, simple, the 

 joints 1-4 decreasing in length, 1 about as long as 2 and 3 united, and much shorter than 5, the claws 

 simple ; tibial spurs small. 



The above characters are taken from a single species, which is widely distributed in 

 biol. cente.-amee., Coleopt., Vol. III. Pt. 1, February 1897. 4 Q 



