8 



FAUNA OF NEW ENGLAND. 



to present knowledge, than in any other area of similar extent in 

 this country, 36 or 60% of the 61 recorded by Horvath ^ finding 

 place in the subjoined list, besides ten detected since. Horvath 

 gives evidence tending to show that a great majority of these species 

 are of Palaearctic origin, and supposes further that their migra- 

 tion was largely eastward, by way of Alaska. The latter opinion 

 seems hardly in accord with the apparent massing of the species on 

 the eastern side of the continent, referred to above, but at least 

 one of the species listed below, CaUicorixa jyraeusta, occurs in both 

 Maine and Alaska, and possibly the range of others may be found 

 likewise to extend westward when our knowledge of the fauna 

 of British America is more nearly complete. The following New 

 England species occur also in the Palaearctic region: 



Sciocoris micro phthalmus 



Zicrona cacrulea 



Corizus hyalinus 



C. crassicornis 



Aradus lugubris 



Nysius thy mi 



N. ericae 

 t Trapczonoius arenariiis ^ 



Sphragisticus nebulosus 

 t Didyonota tricornis 

 t Galcaius peckhami 

 t Leptobyrsa rhododcndri ^ 



Reduvius pcrsonatus * 



Nobis limbatus 



N. flavomarginatus 



N. ferus 



Ciniex lectularius * 

 t Xyhcoris cursitans 



Miris dolabratns 



Sicnodcma trispinosum 



Trigonoiylus ruficornis 



T. brevipes 

 t Pithanus maerkeli 



Stenotus binotatus 



Calocoris norvcgicus 



Poeciloscytus wiifasciatus 



Capsus ater 



Lygus pabidinus 



L. apicalis 



L. pralensis 



L. campestris 



L. rvbicundus 



' Horvath, G. Les relations entre les faunes h6mipt6rologiques de I'Europe 

 et de rAmSrique du Nord. Ann. Hist.-Nat. Mus. Nat. Hung. Budapest, 1908, 

 vol. 6, pp. 1-14. 



2 The dagger indicates additions to Horvfith's list. 



' Introduced from the United States into Europe. 



« Probably imported, but thoroughly acclimated and hence to be considered 

 as members of our fauna. Nahis brevis has not established itself and is therefore 

 omitted from this list. 



