lOß Bulletin de la Société Entomolofjiicjuc d'Kijijpte 



moths (Earias insulnna) caiii^ht per week from Septem- 

 ber 1st to November 2nd 1916. 



Note. — 'l'he nìd.viiniiiìì lìuiìiber of iiìoHìs caught froiìì 

 Jiiiìc lo Xoi'cnìher was reached in Septeiììber. After No- 

 nenilìer l^/jf/ "/?/// one or ln>o, and sonici inn\s no iììoUìs of 

 either species mere canght. 



The marked drop in the number of mollis lrni)ped 

 (hiîini; the seeond week of Se])lember was due to llie 

 intluenee of tlie biillianl moon. In the case of Earias 

 [he figures do not r.elually show a falling olT, but never- 

 theless (he veiv big lise in Ihe number caught the lol- 

 lowiiig week is very signidcanl in res|)ect of th.> relalion 

 between the '•catch" and Ihe stale of the moon. In the third 

 week when the moon was on the wane and rose lale Ihe 

 number of mollis caught weni uj) wilh a rusb. This 

 continued unlil Oclober 5lh aller which dale Ihere was 

 a very sudden drop in Ihe case of bolli species. Tbis, 

 bowever, was exjxcled and more or less nornnil on 

 accounl ol' Ihe increasing brilliance and early rising of 



