218 THE ENTOMOLOGIST'S LOG-BOOK 



orbona, F. = comes, Hb. 



orbona, Hufn. (subsequa, Hb.), Triphcena. (Lunar Yellow 



Under wing) 

 L. 9-4. On Graminese, especially Dacytlis glomerata 



and Triticum repens. Sweep at night. 

 I. 7-8. Comes to sugar and light. Be careful not 



to discard this, thinking it may be comes 



(orbona). 

 P. 5-7. 

 O. 



Orgygia. Genus includes obscura. 



Orgyia. Genus includes antiqua and gonostigma. 



orichalcea, ~F.=chryson, Esp. 



Origanum. (Marjoram) 



immorata, Acidalia. (Lewes Wave) 



L. 8-5. 



ornata, Acidalia. (Lace Border) 

 L. 10-5 and 7-8. 



orion, Esp., Diphtera (Moma). (Scarce Merveille du jour) 



L. 7-8. On Betula, Fagus, and Quercus. Full fed 



in about a month. 

 P. 9-6. In a cocoon of gnawed wood on tree-trunks, 



or will spin up under a leaf on the ground. 

 I. 6. Occasionally in 9, same year as larva. 



Rests on boughs and trunks by day. 



Comes to sugar from 9 P.M. to 



9.20 P.M. 

 0. 6. Laid in regular batches of 50 or more on 



the under sides of leaves of food plant. 



ornata, Sc., Acidalia (Craspedia). (Lace Border) 



L. 10-5 and 7-8. On Mentha, Origanum, and Thymus. 

 P. 6-7 and 9. Below ground. 

 I. 5-6 and 8-9. 



O. Laid 28th to 30th August 1881, hatched 



9th September (R. Adkin). 



ornithopus, Rott. (rhizolitha, F.), Qraptolitha (Xylina}. (Grey 



Shoulder Knot) 

 L. 5-6. On Quercus. 

 P. 6-10. Amongst rubbish on the ground. 

 I. 10-5. Comes to sugar and Ivy during autumn, and 



