CICIKDELA. 



337 



113. Cicindela tetrastacta, Wied. 



Euryoda tetrastacta, Wiedemann, Z)ol. Mag. ii, 1, 1823, p. 65; 



W. Horn, Deutsche Ent. Zeitschr. 1905, p.^33. 

 Tetreuri/tarsa tetrastacta, W. Horn, op. cit. 1892, p. 91. 

 Cicindela, colon, King, Jahrb. Ins. i, 1834, p. 11. 



In size and shape resembling C. corticata, but much more 

 brilliantly coloured and more shining ; labrum large, testaceous, 

 with dark anterior margin ; antennae reddish at base, darker 

 towards apex ; head and pronotum metallic crimson, elytra red or 

 more or less violaceous, the sides of all three being brilliant violet, 

 green and copper; head with two brilliant longitudinal green 

 and blue stripes in front, sculptured as in C. rugosicejis, striated 

 next eyes, central part wavily rugose, hinder part more finely 

 sculptured ; pronotum subcylindrical, longer than broad, with the 

 sides subparallel, somewhat narrowed before the basal constriction, 

 distinctly sculptured, central furrow obsolete, marked by a more 

 or less interrupted metallic line ; elytra almost parallel-sided, 

 slightly widened behind, with the suture metallic and slightly 

 raised, strongly punctured in front, feebly on the posterior third ; 

 on each elytron there are two round white spots, one smaller, behind 

 the middle, and the other much larger, close to the margin, at some 

 little distance before apex ; femora coppery, knees, tibiae and tro- 

 chanters testaceous red, tarsi pitchy at the apex of the joints, the 

 anterior and intermediate pairs being dilated and pubescent beneath 

 in the male ; underside brilliant violaceous, with the sides of the 

 abdomen and the episterna scantily clothed with white hairs ; 

 gense bare. 



Length 9-10 millim. 



Bengal : Calcutta, Birbhum, Chota Nagpur, Nowatoli, Asansol ; 

 Bombay : Dharwar (H. E. Andrewes). 



Group 5. 



A obscure group of small dark insects, with or without lighter 

 spots or markings on the elytra ; the sides of the abdomen and 

 the episterna are more or less strongly pubescent, and the upper 

 surface of the sides of the pronotum is, in many cases, furnished 

 with distinct white setae ; the average length is 8 to 9 or 10 mm., 

 but it varies from 7| to 12 mm., although it only reaches 11 or 

 12 mm. in large specimens of one or two species ; the gem© are 

 bare, except for the type form of 0. imperfecta, Chaud., in which 

 they are scantily furnished with white hairs ; in the var. atelesta, 

 Chaud., these are absent. 



The table given below is merely provisional. It is almost im- 

 possible to separate several of the species without comparing 

 actual examples. The group is perhaps the most obscure in the 

 genus. 



z 



