March, 19 3j LeNG : NoRTH AMERICAN COCCINELLID.K. 35 



Tiihlc of Genera. 



Females .. i 



Males S 



1. AnteunjE lojointed 2 



Antenna? 9-jointed 7 



2. Apterous 5 



Winged. 



Mesonolum without a furrow 4 



Mesonolum with a medinm impressed line 3 



3. Scutellum Hat or subconvex, with a marginal frenum... Ceraphron y//r///(' 



(type C. .<it.',,!/iis JLKINK). 



.Scutellum convex, acuminate, without a frenum Aphanogmus 'J'lioinsoii 



(type A. fitniiptttnii TiiOM. ). 



4. Antennce subclavate 6 



5. Mesonotum with a median impressed line. 



Scutellum flat or subconvex, with a frenum Ceraphronywr/wt- 



Scutellum convex, without a frenum Aphanogmus Thomson 



6. Scutellum distinct Aphanogmus I'hotnson 



Scutellum not at all differentiated Ecitonetes j^rrt^-j 



(type E. sitbal^teitis BRfES). 



7. Mesonotum with a median impressed line Neoceraphron Ashvieaa 



(type Ccraphroti fftaironcurus AsHM. ). 



8. Antenna: 1 1 jointed 9 



Antennre l o-joi nted 12 



9. Mesonotum with a median impressed line 10 



Mesonotum without a median impressed line. 



10. Scutellum depressed or flat, without a frenum ; antennit simple, not serrate. 



Ceraphron Jmine 

 .Scutellum convex, acuminate, without a frenum ; antenn;v serrate. 



Aphanogmus Thomson 



11. Scutellum convex, acuminate, without a frenum. 



Antenna;°serrate A phanogmus Thomson 



12. Mesonotum with a median impressed line. 



Antenna; filiform Neoceraphron Ashmeau 



NOTES ON COCClNELLlDiE. 



By Ch.\rles W. Leng, B.S. 



Major Thomas L. Casey's " Revision " of this family, printed in 

 this Journal (Vol. VII, pp. 71-169), describes several new species : 

 and the following notes result mainly from a study of his work and 

 of the material in the collections of Messrs. Schaeffer, Roberts, Love, 

 0' Conner, Luetgens, Marshall, Ouellet, Knaus, Wickham and Davis, 



