of new species of TenthredinidcB, 8fc. 375 



apex of the posterior tibite aud the tarsi black ; abdomen 

 yellow, the segments above have transverse fuscous bands 

 in the middle. 



JIab. — Nagasaki; Hiogo. 



4. Hylotoma ephippiata. 



Female.— Length 3| lines. Shining blue-black, with 

 the sides of the prothorax, and the two lateral divisions 

 of the mesothorax, orange-red ; the orange colour extends 

 beneath the anterior wings to the sides of the pectus ; the 

 antenna3 black; the anterior tibite obscurely ferruginous 

 within; Avings fuscous and iridescent, darkest towards 

 their base. 



Male. — Differs in having the mesothorax entirely blue- 

 black. 



Hah. — Hiogo. 



This species is most closely allied to Hylotoma thoracica 

 of Spinola, but that insect has the thorax entirely red 

 above. 



5. Hylotoma simillima. 



Female. — Length 4 lines. Blue-black, shining; the 

 antenna black ; the tibige and tarsi obscm-ely blue ; wings 

 fiisco-hyaline, the anterior pair dark fuscous at then' base, 

 shading off towards the apex of the wings ; the nervures 

 black. 



Male. — This sex is of the same colour as the female, 

 and only differs in being rather smaller, and in the usual 

 characteristics of the sex. 



Hab. — Hiogo. 



This species is readily distinguished from H. imperator ; 

 it is of a duller blue, and the antenna in both sexes are 

 much shorter; the second apical cell is longer in both 

 sexes. 



6. Hylotoma similis. 



Female. — Length 4^ lines. Head and thorax blue- 

 black; the abdomen yellow. The sides of the thorax, 

 beneath the wings, yellow ; the wings fuscous, palest to- 

 wards their apical margins, and with a blue or violet 

 iridescence ; the nervures black. 



Hab. — Hiogo. 



The only essential difference between this insect and 



