272 Mr. E. Saunders' Synopsis of British 



3. bicinctus, Eossi. Faun. Etrusc. App. p. 123. Fig. 

 Smith Brit. Foss. Hym. pi. iv. fig. 6. Curtis Brit. 

 Ent. xi. 524. 



Like the preceding species in general colour, but very 

 different in form, sculpture, &c. Head and thorax dull 

 and distinctly and closely punctured ; basal area of the 

 metathorax finely striate, with a distinct central sulcature, 

 sides rugosely punctured ; abdomen with two spots on the 

 basal segment, a wide band on the 2nd, and a narrow one 

 on the 3rd, yellow ; basal segment not nearly half so wide 

 as the 2nd, its sides rounded, and converging again 

 towards the apex, 2nd segment, at its extreme base, with 

 a series of very short strife. 



Length 11 mill. 



Hah. — New Forest, Hastings, London district ? 



Mellinus, Fah. (PL VIH. fig. 40, 41). 



Ent. Syst. ii. p. 285. 



The elongate form, petiolated abdomen, and shining 

 surface will distinguish the members of this genus from 

 their allies ; the neuration of the upper wings is very 

 peculiar, as the recurrent nervures are received, one at 

 the apex of the 1st submarginal cell, the other at the 

 base of the 3rd. 



(2) 1. Markings yellow; tibiae aiul tar^si yellow; ^ au- 



tennse simple . . . . . . . . . . arvensis. 



(1) 2. Markings white; tibise and tarsi reddish : (J antennae 

 ■with joints 8 — 11 beneath, produced, and sub- 

 tuberculated . . . . . . . . . . sahiilosus. 



1. arvensis, Linn. Syst. Nat. ed. x. vol. i. p. 573. Fig. 

 Panz. Faun. Germ. 17, 20 {U.flavum). 



Black ; the base of the clypeus in the <? , the scape of 

 the antennae in front and a line on each side of the face, 

 the raised posterior margin of the prothorax, the tegul^e 

 and a spot under each wing, and the scutellum, yellow in 

 both sexes ; abdomen in the ^ with a central, usually 

 mterrupted, band on the 3rd segment, a spot on the 6th, 

 and sometimes indications of bands on the 2nd, 4tli, and 

 7th segments, yellow ; ? with a spot on each side of the 

 basal segment, a very wide band on the 2nd and 3rd, an 

 interrupted band on the 4th, and nearly the whole of the 



