XIPHYDRIA DROME DART US. 129 



(Verb. z.-b. Ges. Wien, 1868, p. 885) to have destroyed 

 a birch of about an inch and a half in thickness, 



Synopsis of Species. 



1 (2) Abdomen black with white marks along the sides 5 transverse 



median nervure interstitial. Camelus, 



2 (1) Abdomen red in the middle; transverse median nervure not 



interstitial. $ with a tuft of stiff hair on the fifth and 

 sixth abdominal segments. 



1. XIPHYDRIA DROMEDARIUS, 



Vol. II, PI. VII, fig. 4, $ ; 4 a, Ovipositor ; 4 6, 

 Labium ; 4 c, Maxilla ; 4 d, Head from front ; 4 e, 

 Mandible. Vol. Ill, PI. IV, figs. 10 and 11 (after 

 Westwood), 



Sirex dromedarius, Fab., Mant. Ins., ii, 258, 14. 



Xiphidria camelus, Fab., S. P., 52. 



Hybonotus dromedarius, Klug, Mon., 15, pi. i, figs. 6, 7. 



Xiphydria fasciata, Lep., Mon,, 3, 4. 



dromedarius, Ste., 111., vii, 110 ; Htg,, Blattw., 370 ; 

 Thorns., Hym. Sc,, i, 331 ; Andre, 

 Species, i, 561 ; Cat., 70,* 2. 



Black ; the third to sixth segments of abdomen and legs red, the 

 lower orbits of the eyes, two broad longish stripes on vertex, and a 

 smaller and rounder one at the side behind, a longish spot in front of 

 tegulae, a mark on side of each abdominal segment from the third to 

 seventh, that on the latter being much the largest, white ; coxae and 

 trochanters for the most part black ; base of tibise white ; base of tarsi 

 whitish, the apex infuscated. Wings hyaline, nervures black, 



The (J has the four middle segments of abdomen red, the tibise red, 

 fuscous in the middle ; the ventral surface is hairy, and on the fifth and 

 sixth segments is a tuft of hairs in the middle. 



Length ? 6 9 lines, <$ 46 lines. 



The late Mr. F. Smith told me that this species is 

 plentiful about old willows in the London district. 

 Fulham, Norfolk, New Forest (Stephens). 



Continental distribution : Sweden, Germany, Hol- 

 land, Russia, France, Switzerland. 



VOL. III. 



