NO. 2242. MORPHOLOGY OF THE 8TREPSIPTERA— PIERCE. 465 



Female cephalothorax slightly constricted at base, thence obliquely widening to 

 widest point, just behind the spiracles, which are lateral, but hardly promi- 

 nent, thence sinuately convex to apex. Parasites of Sceliphron. 



25. Sceliphronechthrus Pierce. 



23. Genus EUPATHOCERA Pierce. 



LIST OF SPECIES. 



1. E. luguhris Pierce; parasite of Sphex {Ammophila) fragllis 

 Smith; Ohio. 



2. E. pictipennidis Pierce; parasite oi jS. (A) pictipennis Walsh; 

 Illinois. 



3. E. pruinosae Pierce; parasite of S. {A.) pruinosa Cresson; 

 Colorado. 



4. E. sphecidarum Dufoar; parasite of S. (A) sabulosa Linnaeus; 

 France, Germany. 



5. E. indgaridis Pierce; parasite of S. {A.) vulgaris Cresson; 

 Illinois. 



6. E. luctuosae Pierce; parasite of S. (Psammophila) luctuosa F. 

 Smith; Idaho, Colorado. 



7. E. sieboldii Saunders; parasite of Miscus campestris Latreille; 

 Germany. 



20. Genus OPHTHALMOCHLUS Pierce. 



Table of subgenera. 



» Parasites of Chlorion (Pnononyx) 1. Ophthalmochlns Pierce. 



Parasites of Chlorion (Proterosphex) , 2. HomUops Pierce. 



Parasites of Chlorion (Isodontia) 3. Isodontiphila Pierce. 



LIST OF SPECIES. 



1. 0. (0) duryi Vierce ; parasite of C. {Priononyx) atrata Lepele- 

 tier; Ohio. 



2. O. (//) ahhotti Pierce; parasite of O. {Proterosphex)., species; 

 Siam. 



3. O. (H) ashmeadi Pierce; parasite of G. (P.) pernanum Kohl; 

 Santo Domingo. 



4. O. (H) bishoppi Pierce; parasite of C (P.) ichneumoneum Lin- 

 naeus; Texas. 



5. O. (H) westwood Pierce; parasite of C. (P.) ichneumoneum 

 aurifvum Perty; Brazil. 



G. O. (/) auripedis Pierce; parasite of C. (/.) auripes Fernald; 

 Pennsylvania. 



1. OPHTHALMOCHLUS DURYI Pierce. 



Eri-ata : Gen. Insect, p. 30, liiie 30, add "pi. 2, unnumbered figure." 

 5. OPHTHALMOCHLUS (HOMILOPS) WESTWOODI Templeton. 



Errata: Gen. Insect, p. 31, line 8, change "(1838)" to read "(1841)'*; 

 line 10, add "pi. 2. unnumbered figure"; pi. 2, unnumbered figure, for 

 " Eupathocera Westwoodi " read " Ophtlialmochlus Westwoodi." 

 ;:343— 19— Proc.N.M.vol.54 31 



