374 



APRIL 4tii. 1017. 



The one liiindrefl tliirtv-iiiiith meeting' of the Society was; 

 held in the usual ])laee, Vice-President Peniberton in the chair. 

 Other members j^rescnt: Messrs, Bridwell, Ehrhorn, Fullaway, 

 Illingworth, Kuhns, Osborn, Swezen- and Timberlake. 

 ]\Iinntes of previous meeting read and approved. 



ENTOMOT.OGICAL PEOGRAM. 



New Curculionid. — Mr. Ehrhorn exhibited a new weevil 

 captured at light at night. Later, specimens Avere found in 

 decayed wood. 



Ceramhycid beetle. — Mr. Swezey exhibited a beetle reared 

 from the Crypiomevia wood of an insect cage made in Japan, 

 and used to bring living insects from there. 



Carahids. — ^\r. Bridwell exhibited specimens of rare native 

 Carabids taken in moss on tree trunks, on Mt. Kaala. 



Carahid larva. — 'Mv. Timberlake exhibited a larva of a na- 

 tive Carabid which he is rearing. 



Notes on the Mating of Cockroaches. 



BV .T. F. ILLIXGWORTII. 



It was April 20, 1914, that I first observed the mating 

 habits of onr common cockroach (Periplaneta americaua). 



Hearing a rajiid running about, after I had gone to l)ed, 

 I turned on the light and saw several of these large roaches, 

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

 other as if playing a game. They were too excited to stop, 

 even in the light, and I soon discovered that several w^re 

 chasing one individual, which in order to escape would fly 

 across the room, dashing into the wall and running ra]ndly 

 from place to place, closely followed by the pursuers. 



Finally, the fleeing one was ])()unced upon, and I discov- 



Proc. Haw. Ent. Soc, III, Xo. 5. April, 1918. 



