PHYLLOPHAGA — TENTHREDINID.13. 1 9 



13. — First cubital ct'll receiving two recurrent uervures; eyes (liver>;iiig beneath. 



Abdomen with a white baud at the base Zareea Leach. 



Abdomen without a white band Abia Leach. 



First cubital cell roceivint; only one recurrent nervure ; eyes converjiin<;. 



®Ainasis Leach. 



14. — Three cubital cells, the first receiving a recuri'ent nervure lii. 



Three cubital cells, the first not receiving a recurrent nervun^; ]iosterior 



wings with two middle cells Ifj. 



15. — Lanceolate cell petiolate Fenusa Leach. 



Lanceolate cell with oblique cross-nervure. 



Posterior wings without middle cell Emphytus King. 



Posterior wings with one middle cell. 



Antennae with third and fourth joints .subequal : costa and stigma 



white Harpiphorus Hartig. 



Antennje with third joint distinctly longer than fourth ; costa and 



stigma black or fuscous Poecilosoma (in part). 



16. — Lanceolate cell with oblique cross-nervure Dolerus Jur. 



Lanceolate cell petiolate Dineura (in part). 



17. — Lanceolate cell petiolate 'Fenella Westw. 



Lanceolate cell with an oblique cross-nervure ■Phyllotoma Fallen. 



18.— Second cubital cell receiving both recurrent nervure.s 19. 



Second cubital cell receiving only one recurrent nervure 20. 



19. — Lanceolate cell petiolate Dineura Dahlb. 



Lanceolate cell contracted Hemichroa Stepli. 



20. — Antennse 10-jointed, subclavate ®Athalia Leach. 



Antennae 9-jointed, mostly filiform 21. 



Antennae multiarticulate ; posterior tibife spined .32. 



21.— Lanceolate cell petiolate Blennocampaf Hartig. 



Lanceolate cell contracted 22. 



Lanceolate cell open, without cross-nervure 23. 



Lanceolate cell with an oblicjue ci-oss-nervure 21. 



Lanceolate cell with a short perpendicular nerve, or shortly contracted. ..27. 

 22. — Antennae short, thick; mesothorax not marked with white. 



Hoplocampa Hartig. 

 Antennae long, filiform : mesothorax and metathorax with white marks. 



Synserema Hartig. 



23.— Body short, thick ; costa thick, dilated before stigma Selandria Leach. 



Body rather long, cylindrical ; costa not dilated. ..Strongylog-aster Oalilb. 



24.— Posterior wing without middle cell Taxonus Hartig. 



Posterior wing with one middle cell 25. 



Posterior wing with two middle cells 2(5. 



25. — Eyes reaching to base of mandibles: abdomen black. ...Eriocampa Hartig. 

 Eyes not reaching to base of mandibles; abdomen spotted with white. 



Pcecilosoma Dahlb. 



26. — Eyes reaching to ba.se of man<libl(s Eriocampa (in part) 



Eyes not reaching to base of mandibles Strongrylogaster (in part) 



27.— Posterior coxae large, reaching to fourtii abdominal segment 28. 



Coxae of normal size, not reaching to fourth abdominal segment 29. 



t Including Monophadniis Hartig, and I'ln/matocera DaliH 



