DERIVATION OF THE FLORA AND FAUNA 419 



Neuroptera (92). 



Chrysopa laiiata Banks. Wide-spread in S. Amer. and also found on Hawaii. 

 A wide-ranging genus of several hundred sp. 

 -t- Chr. Skottsbergi Esben-Peters. 



Lepidoptera (zj). 



Agrotis ypsiloii Rott. Cosmop. 

 Cirphis Loreyi Dup. Widely distributed. 



Achaea melicerta Drury. On all islands in the Pacific and Indian oceans. 

 Phytometra chalcytes Esp. Eur., As., most islands of the Pacific and Indian 

 oceans. 



It is not probable that any of these Noctuidae are indigenous. 



Diptera [84). 



Sarconesia chlorogaster (Wied.). Chile, J. Fern. Introduced. 



+ + Lip Sana insulae-paschalis Enderl. 



Leptocera (Coprophila) ferruginaia (Stenh.) var. insulae-paschalis Enderl. The 

 typical species, known from Eur., Ind. and S. Amer., lives in horse-dung and 

 was spread with the horse. The variety was picked from the carcass of a sheep 

 and has, Enderlein remarks (I.e. 679), perhaps developed after the arrival in 

 Easter Island where, however, there are many horses. 



Coleoptera. 



Cii rculionidae (/.?) . 



Aramigus Fulleri Horn. A noxious beetle, probably of N. Amer. origin, in- 

 troduced into many countries and on some isolated islands. 



+ Pentarthruni paschale Auriv. 



Areocerus fasciculates Deg. Cosmop., introduced. 

 Dytiscidae [2gg). 



■V Bides sus Skottsbergi ZxvnmQvni. The occurrence of an endemic aquatic beetle 

 in the crater lake of Rano Kao among the endemic hygrophilous mosses is of 

 interest. 

 Elateridae [308). 



Siinodactylus Delfijii Fleut. Chile.-^ Austral., N. Guin., N. Brit., Solomon Is., 

 Hawaii. 

 Staphylinidae [2^). 



Pliilonthus longicorjiis Steph. Cosmop. 



Hymenoptera. 



Formicidae {283). 



Ponera trigona Mayr. var. opacior Forel. N. Amer., W. Ind., Chile. The 

 typical species in Brazil, a subspecies in Austral. 



Cardiocondyla nuda Mayr. subsp. minuta Forel. Hawaii. The typical species 

 Ind., Ceylon, Austral., N. Guin. One subsp. is Mediterranean. 

 27* -557857 



