346 THE ENTOMOLOGIST'S LOG-BOOK 



I. 5-8. Emerge between 9 P.M. and 11 P.M. Come 



to light. 

 0. 



trepida, Esp. (peridea), Notodonta. (Great Prominent) 



L. 6-8. On Quercus. Likes food wet. May be often 



found crawling down trunks end of July. 

 P. 9-3. At foot of trees in an earth-covered cocoon, 



like friable soil. Sometimes two years 



in this stage. 

 I. 4-6. Females emerge between 8 P.M. and 9 P.M. 



Males between 2 P.M. and 5 P.M. Rest 



on trunks 1 to 4 feet up. Come to light 



usually about 11 P.M. Keep females for 



eggs. 

 0. 5. Laid on leaves or bark. 



trepidaria, Tr.=coracwa, Esp., Psodos. 



Triangle, (asella, Schiff. (cruiciata, Kn.), Heterogenea) 



triangulum, Hufn., Noctua. (Double Square-spot) 



L. 4-5. On Betula, Crataegus, Prunus spinosa, Quer- 

 cus, Rubus fruticosus, and Rumex. 

 P. 5-6. Below ground. 

 I. 6. Comes to light and sugar. 

 0. 



Trichiura. Genus includes cratcegi. 



tridens, Schiff., Acronycta. (Dark Dagger) 



L. 8-10. On Betula, Crataegus, Pyrus communis, 



P. malus, Prunus, P. spinosa, and Salix 



caprea. 

 P. 9 or 10-6. In a silky cocoon spun up in crevices 



or under loose bark. 

 I. 6. Sometimes 10 in confinement. Rests on 



tree trunks. 

 0. 



trifasciata, lBkh.=impluvia,ta, Hb. 



trifolii, L., Lasiocampa (Bombyx, Pachygastria). (Grass 



Eggar) 



L. 2-6. On Anthyllis vulneraria, Crataegus, Gra- 

 mineae, Ornithopus, Prunus, P. spin- 

 osa, Rubus, Salix caprea, and Statice. 

 Search about 5 P.M. 



