104 Journal New York Entomological Society, [Voi.vii. 



Africa and Sficholotis of Asia. They are rounded, subglobular insects 

 of small or moderate size, recalling Chilocorini in general appearance 

 but with the formation of the front nearly as in Cocci nellini. The 

 minute species of the United States, which we have heretofore desig- 

 nated by the name C/yptog/iatha, because of prosternal structure, to- 

 gether with CRueis, belong to another taxonomic division of the family 

 characterized by a more compact body and narrow epipleurs. 

 Xestolotis will be characterized in an appendix to the present paper. 



It is possible that Menoscelis and Thalassa may also form either a 

 part of this tribe or a special tribe closely related, but I have seen no 

 examples, 



Chilocorini. 



The genera of this tribe have quite a different general habitus from 

 those of the Coccinellini, being still more strongly convex and even 

 subcompressed, with the outer part of the ejjipleura; still more steeply 

 descending ; the prevailing type of ornamentation, also, is different, 

 being black with pale spots, while in the latter it is usually pale 

 with black spots. Besides the radically different structure of the 

 epistoma, the antennas diverge widely from those of the preceding 

 tribes, except some of the Pentiliini, being very short, compact and 

 narrowly clavate. The three American genera represented before me 

 are the following : — 



Tibiii; obUisely dentate externally near the base ; pronotum pubescent toward the sides, 

 with a double marginal line laterally at the base ; posterior legs moderately re- 

 tractile, the abdomen and epipleurte concave for the femora t hilocorus 



Tibiie not dentate externally ; pronotum not pubescent toward the side margins, with 

 the double marginal line at the sides of the base not evident ; in Axioii, how- 

 ever, with the edge impressed near the sides of the base, forming a clcser 



junction" with the edges of the e'ytra 2 



2 — Posterior legs strongly retractile, epipleura; and base of the abdomen deeply con- 

 cave for the femora ; body large, extremely convex or subcompressed and very 



minutely punctulate Axion 



Posterior legs not retractile, the abdomen and epipleura' not concave behind the coxcV ; 

 body small, usually with more distinct punctuation ; ornamentation variable. 



Exochomus 

 In Chiloconis and Axion the upper surface is deep black, the com- 

 bined elytra having two or three red spots ; the former occurs on both 

 sides of the continent but Axion seems to be peculiarly characteristic 

 of the Sonoran fauna. 



Chilocorus Leach. 



In this genus the species have a remarkable superficial community 



