PLUSIADAE 145 



the Lepidoptera. There is much greater diversity of size, 

 colour, aud form than in the Caradrinidae, and also more 

 variation in structure, though this remains more uniform 

 than usual. Imago with forewings usually relatively broader 

 and less elongate than in the Caradrinidae, body often more 

 slender. 



Ovum spherical, more or less reticulated, often also ribbed. 

 Larva with few hairs, sometimes with prolegs on 7 and 8 

 absent or rudimentary. Pupa usually in a cocoon above 

 ground. 



The following diagram shows the phylogeny of the principal 

 genera : 



PHYLOGENY OF PLUSIADAE. 



Aethia Hypenodes 



I I 



Herminia Hypena Aventia Plusia 



I I I 



Ophiusa Catephia 

 I I 



Catocala Euclidia 

 I I 



Eublemma Eustrotia 

 I I 



Rivula 



TABULATION OF GENERA. 



1. Hindwings with 5 parallel to 4 . . .2. 



5 more or less approximated to 4 10. 



2. Forewings with 7 absent . . .4. SCHRANKIA. 



all veins present . . 3. 



3. Forewings with 7 separate . . 5. HYPENODES. 



7 out of 9 . . . 4. 



4. Antennae in <$ bipectinated . . 5. 



not bipectinated . . .6. 



5. Palpi porrected . . . .1. BOLETOBIA. 



ascending . . . .3. HERMINIA. 



6. Abdomen with small crest near base . . 7. 



not crested . . . .8. 



7. Eyes ciliated . . . .6. BOMOLOCHA. 



not ciliated . . . .7 HYPENA. 



L 



