3o8 Occasioiuil ra/^crs Bcrnicc P. Bishop Museum 



DKRMAl'T]<:i>^A 



Eleven species of earwig's are discussed l)elo\v and tliree other 

 female si)eciniens that were examined from the island of Hawaii 

 represent one or two additional hut at present not determinable 

 Hawaiian species of the genus Anisolabis. These in the opinion 

 of the writer represent all the species of this order that have been 

 taken in all Hawaii. 



Of these species, five are unquestionably adventive, while sev- 

 eral more are probably so. Four are as yet known only from the 

 Territory of Hawaii, but all of them may have a distribution 

 roughly parallel to that of the three species that are known to be 

 represented as well on islands in the south Pacific. 



LABIDURIDAE 



PSALINAE 



ANISOLABIS Fieber 



Three Hawaiian species have been referred to the g'enus Aniso- 

 labis Fieber. One of these, aiiiiulipcs (Lucas), has been placed by 

 Burr in the genus Euborellia, a genus based on male genitalic 

 features alone. It is possible that monographic study of this very 

 large group will afford additional evidence, warranting the separa- 

 tion of these genera and, consequently, we are in favor of recog- 

 nizing Euborellia for the present. Unfortunately the male geni- 

 talia have not been studied for the other species here recorded ; it 

 would therefore appear advisable to refer them to Anisolabis until 

 that work has been done. 



All of these species are subject to variation, the least decided 

 being in ctcronoina Borelli, and it is almost certain that the records 

 from Hawaii of iiiaritiiiia, litforca. and pacifica and the description 

 of aporonouia are entirely based on material of the species here dis- 

 cussed. It seems therefore that those names have no valid standing 

 in the Hawaiian list. 



Many of the species have a wide distribution and arc readily 

 introduced by commerce into favorable regions. Thus, judging 

 from the known distribution of anuulipcs, it seems probable that the 



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