THE ENTOMOLOGIST'S LOG-BOOK 161 



irregularis, Hufn., Dianthcecia (Epia). (Viper's Bugloss) 



L. 7-9. On flowers and seeds of Echium vulgare, 



Lychnis flos-cuculi, and Silene otites. 



Sweep at night. Hide below ground by 



day close to the roots. 

 P. 10-6. 



I. 6-7. Fly over food plants at dusk. 

 O. 



irriguata, Hb., Eupithecia. (Marbled Pug) 



L. 5-6. On Betula and Quercus. Beat up till 



mid- June. 

 P. 7-4. 

 I. 4-5. Rests on palings, etc., and may be beaten 



from trees. 

 O. 



irrorella, L., Endrosa (Setina). (Dew Moth) 



L. 5. On black and yellow Lichenes on hillsides 



and by cliff edges in stony places. Basks 



in the sun. 

 P. 6. In a flimsy, web-like cocoon under stones, 



shells, etc. 

 I. 6-7. Pairs can be found about 6 A.M. Flies freely 



about 3.30 P.M. to 5.30 P.M. 

 O. 



Isle of Wight Wave, (humiliata, Hufn., Acidalia (Ptychopoda)) 



isogrammaria, HS. (haworthiata, Stt.), Eupithecia. (Haworth's 



Pug) 

 L. 7-8. On Clematis vitalba. Search for discoloured 



buds, which should be gathered and placed 



in covered flower-pots. 



P. 9-6. In a tight earthen cocoon on the ground. 

 I. 6-7. Flies in sunshine about food plant. Must 



be bred for good specimens. 

 0. 



Itame. Genus includes wauaria. 

 Ivy. ( Hedera) 



jacobsea, L., Hipocrita. (Cinnabar) 



L. 6, 7, and 8. On Senecio jacobsea. In confinement 

 will eat S. vulgaris and Tussilago. Prefers 

 tops of plants at first. 



