66 NEMATUS APPENDICULATUS. 



10. NEMATUS NIGEIOOLLIS, n. sp. 

 PL IX, fig. 5, Larva ; PL XV, fig. 7, Saw. 



In coloration this form agrees entirely with N. 

 .Fletcheri; in other respects I am unable to find tangible 

 points of distinction ; perhaps if anything the antennae 

 are shorter and thicker, and there is a slight difference 

 also in the structure of the saw. 



The larva is green, the anal segment blue. There 

 is a triangular black mark over each leg, and an 

 oblique one in front of first pair. Head light brown ; 

 a black band extends from above each eye to near 

 the top, and a black line ruos from the back 

 down the centre of the face, where there is a lighter 

 round mark. The marks on legs are sometimes very 

 pale and the anal segment is not always blue, some- 

 times being of a reddish hue. 



Whether it is a good species must be a doubtful 

 point at present, but the Iarva3 were more slender in 

 the body, which was green as in Fletcheri ; the two last 

 segments were light blue, clearly separated from the 

 green, while in Fletcheri they were of the same tint as 

 the body, with the apex tinted sometimes with red. 

 They were found by Mr. Fletcher on hawthorn at 

 Worcester. 



11. NEMATUS APPENDICULATUS. 



PL I, fig. 9, ? ; PL VIII, fig. 4, Larva ; PL XV, 



fig. 3, Saw. 



Pristiphora pallipes, Lep., Hon., 60, 173 ; Ste., 111., vii, 25, 3 

 (nee Fall.). 



Nemat us flavipes, Dbm., Oonsp., 9, 102. 



appendiculatus, Htg., Blattw., 202, 34 ; Thoms., Opus 

 618, 8; Hym. Scand., i, 91, 12; 

 Voll., Tijd. Ent. (2), v, 5558, pi 1 

 (lar., ima., &c.) ; Ent., No. 141, 76 

 78; Gimmerthal, Arbeit, d. natur- 

 forscn. Yereins zu Biga,i,330 (lar.) ; 

 Kali, Pfl., 261; Andre, Species, i, 



