Superfamily TENTHREDINOIDEA 25 



pilicornis (Holmgren). N. Y. and Ont. to Fla. w. to Wash., Oreg., Calif, and to Argentina. 

 Ecology: Leafminer. A larva of this species may mine a Poiinlaca leaf, leave it, and 

 then mine a succession of leaves before becoming full grown. The mature larva pupates 

 in the soil. Host: Portulaca. Introduced into Australia. 



Schizocera piliconiis Holmgren, 1868. Eug. Resa I, Zool. I, Ins. p. 391. 9,6. 



Schizoceros lateralis Konow, 1899. Buenos Aires Mus. Nac. de Hist. Nat., An. 6: 404. 9. 



Shizocenis zabriskei Webster and Malley, 1900. Canad. Ent. 32: 51. 



Schizocenis sericeifonnis Rohwer, 1908. N. Y. Ent. Soc, Jour. 16: 112. 6. 



Schizocenis lineaius Rohwer, 1909. Canad. Ent. 41: 12. 9. 



Schizocenis collaris Rohwer, 1909. Canad. Ent. 41: 13. 9. 



Schizocenis johnsoiii MacGillivray, 1909. Canad. Ent. 41: 403. 9. 



Schizocerella axillaris Forsius, 1927. Notulae Ent. 7: 19. 



Schizocerella scapularis Forsius, 1927. Notulae Ent. 7: 19. 9. 



Taxonomy: Smith, 1972. Amer. Ent. Soc, Trans. 98: 171 (larva). 



Biology: Webster and Malley, 1900. Canad. Ent. 32: 51-54. — Garlick, 1922. Canad. Ent. 54: 

 240. -Force, 1965. Calif. Dept. Agr. Bui, v. 54, pp. 157-160. 



Genus SPHACOPHILUS Provancher 



This genus is found only in the New World, where most of its representatives are found from 

 southwestern United States to South America. A few species extend north through the central 

 plains region to central Canada. 



Revision: Smith, 1971. Amer. Ent. Soc, Trans. 97: 549-580. 



Genus SPHACOPHILUS Subgenus SPHACOPHILUS Provancher 



Sphacophiiiis Provancher, 1889. Addit. Corr. Faune Ent. Canada Hym., Sup., p. 427. 

 Type-species: Sphacophiiiis craivii Provancher. Monotypic 

 crawii Provancher. Idaho, Oreg. s. to N. Mex., Ariz., Calif. 



Sphacophiiiis crawii Provancher, 1889. Addit. Corr. Faune Ent. Canada Hym., Sup., p. 427. 

 9. 

 invitus (Cresson). Wash. s. to Colo., Ariz., Cahf. 



Schizocera iiivita Cresson, 1880. Amer. Ent. Soc, Trans. 8: 3. 9. 



Genus SPHACOPHILUS Subgenus LITOCOLUS Smith 



Sphacophiiiis subg. Litocolus Smith, 1971. Amer. Ent. Soc, Trans. 97: 556. 

 Type-species: Atomacera celiularis Say. Grig, desig. 



Known hosts for this subgenus are members of the plant family Convolvulaceae. 



apiculus Smith. S. Ariz. 



Sphacophiiiis {Litocolus) apiculus Smith, 1971. Amer. Ent. Soc, Trans. 97: 556. 9. 

 celiularis (Say). Conn, to Fla. w. to Ont., Minn., Nebr., Ark. Host: Ipomoea, Convolvulus. 



Atoviacera celiularis Say, 1836. Boston Jour. Nat. Hist. 1: 213. 9. 



Schizocenis ebenus Norton, 1867. Amer. Ent. Soc, Trans. 1: 55. 6. 



Schizocenis privatus Norton, 1867. Amer. Ent. Soc, Trans. 1: 56. 9. 



Taxonomy: Smith, 1972. Amer. Ent. Soc, Trans. 98: 174 (larva). 



Biology: Riley and Howard, 1888. U. S. Dept. Agr., Insect Life 1: 43-45. — Marlatt, 1892. U. 

 S. Dept. Agr., Insect Life 5: 24-27. 

 orthius Smith. Ariz. 



Sphacophiiiis (Litocolus) orthius Smith, 1971. Amer. Ent. Soc, Trans. 97: 558. 9. 



orus Smith. Ariz. 



Sphacophiiiis (Litocolus) onis Smith, 1971. Amer. Ent. Soc, Trans. 97: 559. 9, 6. 



partitus Smith. Ariz. (Chiricahua Mts.). 



Sphacophiiiis (Litocolus) partitus Smith, 1971. Amer. Ent. Soc, Trans. 97: 560. 9. 



quixus Smith. Tex., Ariz. Host: IpomoeaU). 



Sphacophiiiis (Litocolus) quixus Smith, 1971. Amer. Ent. Soc, Trans. 97: 561. 9, cJ. 



