326 Occasii>]ia! f\if^crs Bcniicc P. Hisliop Musciiui 



ORTHO rr I '.KA 



I'.LATTIDAE 



Of the sixteen species of cockroaches now known to be in 

 Hawaii, all but one. Oiiiscosoma {pallida ilrunner,-'' have been 

 treated below. All but two arc undoubtedly adventives and these 

 two nia_\- have been introduced from the islands of the southern 

 Pacific, where both are found. 



Nut a single si)ecies of cockroach peculiar to Hawaii exists. 



ECTOIUINAE 



ALLACTA Saussure and Zehntner 



1893. Abrodiaeta Brunner, Ann. Mus. Civ. Stor. Nat. Genova, 

 XXXHI, p. 21. 



1895. Allacta Saussure and Zehntner, in Grandidier, Hist. 

 Nat. Madagascar, XXHI, p. 45. 



Two species were originally referred to Abrodiaeta r>runner. 

 iiiodcsta and hifipciniis, both described l\v Ilrunner. In 1895, Saus- 

 sure and Zehntner proposed the name Allacta for this genus, as 

 Abrodiaeta Brunner had been found to be preoccupied. The first 

 type designation-''' is invalid, as the species indicated, lobata of 

 Saussure, was not mentioned by name in the original generic 

 description. We, therefore, here select uwdesta (Brunner) as 

 genotype of Allacta. 



Saussure and Zehntner, in 1895, considered that the genus 

 included two very distinct sections, the first Oriental (and Aus- 

 tralasian), the second Malagasy. In 1907, Shelford properly 

 separated these as distinct generic units, describing and naming 

 the Malagasy section Anallacta.-'. 



\Wq find that Allacta belongs to an Oriental and Australasian 

 l)hyluni which at the present time is very poorly understood. 



■■'Referred to tlie Panclilorinae. Recorded liy P>ormaiis from Haleakala, 

 Maui, Ann. Mus. Civ. Stor. Xat. Genova, XVII, p. 345. (iS8,:i). 

 -" Kirhy, Syn. Cat. Orth., I, p. 99, (1904). 

 "' Gen. Ins., Orth., lUatt., Phyllodromiinae, Fasc. Jt,, p. 18. 



I -4 I 



