374 



APRIL -iTii, 1017. 



The one liuiulred thirty-ninth meeting of the Society was 



held in the nsual phiee, Vice-President Pemherton in the chair 



Other members present : Messrs. Bridwell. Ehrhorn, Fnllaway. 



Illingworth, Knhns, Osborn, Swezey and Timberlake. 



Minntes of previons meeting read and approved. 



ENTOMOLOGICAL PKOGKA:\r. 



Neiv Curculionid. — ]\Ir. Ehrhorn exhibited a new weevil 

 captured at light at night. Later, specimens were fonnd in 

 decayed wood. ! 



Ceramhycid beetle. — Mr. Swezey exhibited a beetle reared 

 from tlie Crypfo)uenn wood of an insect cage made in Japan, 



and used to In-in"' livins; insects from there. ^ 



l\ 



Carnhids. — Mr. Bridwell exhibited specimens of rare nativ( 

 Carabids taken in moss on tree trnnks, on ]\It. Kaala. 



Carnhid larva. — ^Ir. Tind)erlake exhil)ited a larva of a na^i 

 tive Carabid which he is rearing. 



Notes on the Mating of Cockroaches. 



BY .T. F. ILLIXGWOETir. 



It was April 20, 1014, that I first observed the mating 

 habits of onr common cockroach (Periplanrfa ainencana). 



Hearing a rapid rnnning abont, after I had gone to l)ed 

 I tnrned on the light and saw several of these large roachesi 

 which commonly live in a crevice on the veranda, chasing eac 

 other as if playing a game. They were too excited to st(^p, ^ 

 even in the light, and I soon discovered that several were 

 chasing one individual, which in order to escape would fly 

 across the room, dashing into the wall and rnnning rapidly 

 from place to place, closely followed by the pursners. 



Finally, the fleeing one was ponnced npon, and I discov- 





Proc. Haw. Ent. See. Ill, No. 5, April. T918. 



i 



