TiTK siioi; r-\v!X(;i:n scavkxokk itKirrr.ES. '.VM 



Fenyes. — "A Preliminary Systematic arrangement of the Aleo- 

 cliariiia^ of the United States nnd Cannrl;i." in Etitoni. News. 

 XIX. li)08, 5G-65. 

 The \v(trk of Direetor L. Ganglbaner has been the one priiieipnlly 

 drawn upon for the jin^sent elassifieation of the snl)faiiiily. 



KI;Y to the INDIANA TRIBES OF AI.EOCHAKIN.-E. 



0. Head prolonged iii a beak in front; inner lobe of the niaxill;x> entirely 

 corneous or horn-like, its inner side with teeth or spines. 

 h. All the tarsi with three joints. Tribe I. Dinopsini, p. 337. 



hi). Front and middle tarsi with four, hind tarsi with five joints. 



Ti-ibe II. Myli^^snini, p. 33S. 

 (/(/. Head not prolonged in a beak in front ; inner lobe of the niaxilbe 

 corneous on the outer side, coriaceous or lealher-liko on the inner 

 side, 

 c. All the tarsi with four joints. 



d. Antennae with 11 joints. Tribe III. Hygronomini, p. 338. 



dd. Antenufe with ten joints. Tribe IV. Oligotini, p. 339. 



cc. Front and middle tarsi with four, hind tarsi with five joints. 



Tribe V. Bolitocharini, p. 339. 

 ccc. Front tarsi with four, middle and hind tarsi with five joints. 



Tribe VI. Myrmedoniini, p. 344. 

 (vcc. All the tarsi with five joints. Tribe VII. Aleocharini. p. 3G0. 



Tribe I. DINOPSINI. 



Head prolonged in a broad and short beak in front. Lobes of 

 the maxillffi very long and narrow, the inner lobe entirely horn- 

 like, its inner side with unequal teeth on apieal half. T^laxillary 

 pali)i very long and slender, apparently only three-jointed, the 

 fourth .ioint minute, scarcely visible, aciculate. Labial palpi Avith 

 the basal joint very large, elongate, the second and third joints 

 sttiall. All the tarsi uith three joints. 



The trib(> contains only llu^ single genus: 



I. Di.xopsis :\latth. 1888. (Gr., '' w(mderful + face.") 



Antenna' slender, head rather large; thorax transverse, elytra as 

 long as or one-third longer than thorax : abdomen strongly narrowed 

 behind the middle and with two anal styles. 

 t>30 (2088). DiNOPSis Americana Kr., IJnn. Enl., XI, is~)7, 38. 



Elongate, slender, depressed. I'ieeous, subopaiiue, sparsely clothed witli 

 very fine short, prostrate pubescence; anteniue, labrum, palpi and tsirsi dull 

 yellow. Thorax convex, more than twice as wide as long, sides rounded on 

 apical half, hind angles rectangular ; surface, as well as that of elytra and 

 abdomen, very minutely and densely granulate-punctate. Elytra one-third 

 longer than thorax, the gramiles arranged in ol)]ique stria?. Length 3 mm. 



Putnam and 1-^faiiklin count ics ; rare, -him' 1 1 -Septeml)er 25. 



