of neiu species of TenthredinidcB, §-c. 403 



2. Camponotus japonicus, Mayr, Diag. neue Forrai- 



cid. 1, § . 



3. Camponotus vitiosus, 



"Worker. — Length 2| lines. Shining-black; the an- 

 tennae and legs rufo-piceoiis, the tarsi and joints of the 

 legs palest; the mandibles obscure rufo-piceous. Head 

 oblong, subquadrate. Thorax narrowed posteriorly, the 

 metathorax obliquely truncate ; the scale of the peduncle 

 narrow, its superior margin rounded and fringed with a 

 few stiff hairs. 



Hab. — Hiogo. 



This species resembles dark examples of Camponotus 

 lateralis of Europe, but is distinct ; its thorax is evenly 

 obhquely inclined to the margin of the metathorax, not 

 elevated and abruptly truncate, as in C. lateralis; the 

 description is that of a worker minor. 



Genus Lasius, Fabr. 



1. Lasius fulif/inosiis, Mayr, Europ. Formicid. 49. 

 Formica fuliginosa, Latr. Hist. Nat. Fourm. 140; 



St. Farg. Hym. i. 200 ; Nyl. 

 Mon. Form. Bor. 915 ; Foerst. 

 Hym. Stud. Form. 28 ; Smith, 

 Brit. Form.105 ; Mayr, Form. 

 Austr. 79. 

 jH« J.— Europe; Japan. 



2. Lasius niger, Fabr. Syst. Piez. 415 ; Mayr, Europ. 



Formicid. 49. 

 Formica nigra, Linn. Faun. Suec. No. 1723 ; Fabr. 



Ent. Syst. ii. 352 ; Latr. Hist. Nat. 



Fourm. 156 ; St. Farg. Hym. i. 



206 ; Nyland. Mon. Form. Bor. 



920; Schenck, Beschr. Nass. 



Ameis. 49; Smith, Brit. Form. 



109. 

 Formica fusca, Foerst. Hym. Stud. Form. 33. 



Genus PoLYRHACHis, Smith. 

 \. PohjrhacMs lamdlidens, Mayr, MS. ? 

 Worker. - Length 3^ lines. Head and abdomen black, 

 smooth and shining ; thorax opaque, femigmous. Plead : 



