392 PROOEEDINGS OF THE ACADEMY OP 



fuscous, base yellowish; legs and abdomen except first segment and 

 two spots near base of second honey-yellow ; wings subhj'aline, 

 faintly' fuscous. Shining; head and thorax finely pubescent; head 

 broad; antennae long, setaceous; metathorax rounded, with well- 

 defined elevated lines crossing each other and forming cells; 

 mesothorax smooth, round, without impressed lines ; outer nervure 

 of areolet wanting ; legs slender, claws pectinate ; abdomen sub- 

 petiolate, subclavate, flattened, polished. Length 4 lines. 

 Mirador. 



2. Tryphon croceiventris. 



Tryphon croceiventris, Cress., Trans. Am. Ent. Soc, ii. p. 36, %. 



Cordova. 



3. Tryphon'? maculipennis, n. sp. 



% 9. Smooth and shining, ferruginous, broad annulus before 

 apex of antennae and posterior tarsi except base and apex, pale 

 yellow ; wings unusuallj'^ broad, dark fuscous, with a large sub- 

 triangular h3'aline spot on anterior pair beginning at apex of 

 stigma, tip of wing paler fuscous ; tips of antenna black, base 

 hone\'-3'ellow. Length 3^-4 lines. 



Orizaba. 



4. Tryphon ? laticinctus. 



Tryphon f laticinctus, Cress., Trans. Am. Ent. Soc, ii. p. 36, 9- 



Cordova. 



Genus EXOCHOIDES, Cresson. 



1. Exochoides mexicana. 



Exochoides mexicana, Cress., Trans. Am. Ent. Soc, ii. p. 37, %. 



Orizaba. (Sumichrast, No. 3.) 



2. Exochoides concinna. 



Exochoides concinna, Cress., Trans. Am. Ent. Soc, ii. p. 37, % . 



Cordova. 



Genus EXOCHUS, Grav. 



1. Exochus caeruliventris. 



Exochus cmruliventris, Cress., Trans. Am. Ent. Soc, ii. p. 38, %. 



Orizaba. (Sumichrast, No. 52.) 



2. Exochus tricarinatus. 



Exochus tricarinatus, Cress., Trans. Am. Ent. Soc, ii. p. 38, %. 



Cordova. 



