ALLANTUS TRICINOTUS. 143 



2. ALLANTUS TEICINOTUS. 

 PI. I, fig. 3, larva ; PL IX, fig. 4, ? . 



Tudhrcdo tricinctus, Fab., S. P., 30, 5 ; Geof., Ins., ii, 276, 11 ; 



Klug, Bcrl. Mag., viii, 138, 108 ; 



Htg., Blattw., 288, 7; Evers., 

 Bull. 



Mosc., xx, 38, 8. 



vespiformis (Latr.), Lep., Mon., 89, 258. 



rustica, Do Gecr, Mem., ii, 234, pi. 34, figs. 919 



(lar.). 

 Alhudus vcspiformis, Ste., 111., vii, 58, 3. 



tricinctus, Voll., Tidj^Ent., i, 171176, pi. 9 (lar. etc.) ; 



"p., 15, pi. ii 

 5 a, 6, c ; Kalt., Pfl., 304 ; Cam., 



Brischke, Beschr., 15, pi. iii, figs. 



Fauna, 16 ; Andre, Species, i, 388 ; 

 Cat., 47,* 6. 



Black, almost opaque, densely covered on head and thorax with a 

 short grey pile ; the head and thorax being also strongly punctured, 

 the pleurcc tuberculated, abdomen smooth, almost shining, and with a 

 few shallow punctures. The first joint of the antenna), the greater part 

 of clypeus, a line on pronotum, a broad one on the basal abdominal 

 segment above, one all round on the fourth and fifth, a small one on the 

 middle of seventh, and the whole of the eighth and ninth as well as a 

 spot over the posterior coxa) are yellow. Teguhe and legs reddish - 

 yellow, the greater part of the femora and base of coxa) black. Wings 

 hyaline, with a brownish band extending from the base to the apex of 

 the radial and the upper half of the cubital cellules. The costa and 

 stigma testaceous, mandibles piceous, palpi dark fuscous. 



In coloration the $ is nearly similar, except that the labrum is 

 yellow, the base of antenna) and the posterior tarsi with apex of tibia) 

 blackish or fuscous. The wings, too, are, if anything, darker. 



Length 5^ 6 lines. 



Ab. a. A narrow lateral yellow line on the third and 

 sixth segments of abdomen. 



The larva is of the same form as that of Scrophula- 

 ritr. Its ground colour is a dull grey, sometimes 

 with a bluish or even a pinkish hue. On the back, on 

 each segment except the last, is a triangular, deep 

 brownish or blackish spot, the narrow base of which 

 points towards the head ; the broad opposite end is 

 curved inwardly, each point ending in a curved projec- 

 tion ; inside of this are two small black dots. The 

 first of these dorsal marks is somewhat oval and 

 divided in the middle by the food canal, Laterally, a 

 stripe of a darker grey than the ground tint runs 



