96 NEMATOS HJ1MORRHOIDALIS. 



34. NEMATUS HUMEEALIS. 

 PI. IV, fig. 4, ? ; PL XIX, fig. 2, Saw. 



Tenthredo humeralis, Zett., Ins. Lap., 351, 48. 

 Nematus caprece, var. /c. Thorns., Opus., 631, 38. 



fallax, var. humeralis, Br. and Z., Schr. Ges. Konig., 



xvi, 69. 



humeralis, Thorns., Hym. Sc., i, 132, 58. 



Black, closely covered with longish white pubescence ; clypeus, 

 labrum, inner orbits, the edge of the pronotum, tegulse, the edges of 

 the apical abdominal segments, and almost the whole of the belly, 

 livid white. Legs : coxae, trochanters, base of femora, the knees, 

 and tibiae in front, livid white ; the four anterior tibiae black behind, the 

 posterior fuscous, except at the base ; tarsi black, the anterior pair 

 fuscous. Wings large, clear hyaline ; costa, stigma, and nervures, pale 

 fuscous. 



Length 4 4| lines. 



This is a larger and broader insect than hcemor- 

 rhoidalis, it wants entirely the red ground colour of 

 the latter, the pubescence is closer, longer, and paler ; 

 the abdomen is more truncated at the apex, the femora 

 are longer and narrower, and the stigma fuscous. 



Eare. Worcester. 



Continental distribution : Lapland, Sweden. 



35. NEMATUS H^EMORRHOIDALIS. 



Yol. I, PI. IY, fig. 9,* Larva; Yol. II, PL I, fig. 10, 

 Palpus, 10a, Labium; PL XYIII, fig. 6, Saw. 



Tenthredo caprece, Fall., Acta, 1808, 121, 64 (nee Pz.) ; Zett., 



I. L., 352, 52. 

 Nematus humeralis, Lep., Mon., 66, 195 ; F. Fr., 68, 16. 



caprece, Thorns., Opusc., 631, 38. 



fallax, Lep., F. Fr., 66, 9 ; Mon., 64, 187 ; Br. and 



Zad., Schr. Ges. Konigs., xvi, 69, 

 pi. 5, f, 11, and pi. 6, f. 4 (lar.) ; 

 Cam., Fauna, 30, 6; Ste., 111., vii, 

 34 (the type is eaprece, Pz.); 

 Andre, Species, i, 107 ; Cat., 13,* 

 14. 



striatus, Htg., Blattw., 191, 14; Thorns.. Hym. Scand., 



i, 131, 57. 



vittatus, Lep., Mon., 64, 188 ; F. Fr., 66, 12 ; Ste., 111., 



vii, 34 (his types are miliaris, 

 Pz.). 



* Under the name of N. fallax. 



