Lepidoptera of New York and Neighboring States 363 



Key to the genera 



1. Antennae with last segment minute, bearing a tuft of bristles (fig. 230). 



2. Cu x in hind wing much nearer Cu 2 than M 3 at origin (fig. 224) . .2. Melittia. 

 2. CUj approximate, connate, or stalked with M 3 . 



3. Mo and M 3 of fore wing strongly downcurved; CUj and Cu., straight (fig. 



2~25 ) ". . . . 7. ^geria. 



3. M 2 and M 3 practically straight (fig. 226). 



4. M 3 and Cvl 1 approximate at origin in hind wing 1. Memythrus. 



4. M 3 and CUj stalked. 



5. Fore wing with R ± absent, indicated only by a slight fold and thick- 

 ening 8. AlcathGe. 



5. Fore wing with all veins preserved. 



6. Palpi with loose bristling hair below 3. Podosesia. 



6. Palpi smooth, or somewhat rough-scaled below. 



7. Hind tibiae nearly smooth throughout 5. Parharmonia. 



7. Hind tibise tufted at the spurs, smooth between 6. Conopia. 



7. Hind tibise wholly rough-haired 4. Sannina. 



1. Antennae not ending in a tuft of bristles; last segment large and pubescent 

 (fig. 231) 9. Bembecia. 



Key to the Jcnown larvce 

 (After Dyar) 



A. Segments 3-annulate; tubercles distinct. 

 1. First annulet the highest. 



2. A black band across bottom of clypeus Memythrus dollii. 



2. A brown shade instead; black spots on the sides. 



Conopia exitiosa, Mgeria apiformis. 

 1. Second annulet highest. 



2. Crotchets on abdominal feet 6 to 9, in a row. 



3. Brownish, with distinct, paler tubercles Parharmonia pini. 



3. White, tubercles indistinct Conopia pyri. 



2. Crotchets 9 to 14 in a row. 



3. Slender ; head small 6. C. tipuliformis. 



3. Stouter; head larger. 



4. Lower ocellus developed, though light. 



5. Crotchets normal Alcathoe caudata, C. scitula. 



5. Crotchets very small, reduced Bembecia marginata. 



4. Lower ocellus replaced by a pale spot C. albicomis, C. rutilans. 



2. Crotchets 15 to 18 in a row (epicranial lobes meeting in a point). 



C. pietipes, Podosesia syringce. 

 2. Crotchets 18 to 22 in a row; epicrania broadly touching. 



Memythrus 3-cinctus. 

 1. Third annulet higher than the others C. acerni. 



B. Tubercles absent; annulets absent Melittia satyriniformis. 



SYNOPSIS OF FOOD-HABITS OF THE LARVA 25 

 Boring in trees : 



Under bark of trunk some distance from the base or in the branches : 



Maple Conopia acerni. 



Maple Conopia corni 



Apple, Pear Conopia pyri. 



-'• Benutenmiiller, William. Monograph of the Sesiidre of America, North of Mexico. 

 American Museum of Natural History, Mem, I f; :21y-352 f Reference on p. 229—230). 

 ■1901. 



