5o HYMENOrTERA ACULEATA. 



those of any other genus by the truncate anterior and 

 posterior margins of the thorax ; the eyes are of normal 

 size and reach to the mandibles ; pronotum elongate, wings 

 with the marginal cell complete or incomplete, two sub- 

 marginals, propodeum horizontal, with three longitudinal 

 carinse, abruptly truncate posteriorly ; abdomen with the 

 ba=al segment narrower than the next ; legs with the tibias 

 and tarsi strongly spinose, claws bifid. 



(2) 1. Larger, wings with tlie marginal cell open at 

 the apex in the $ , cJ with a transverse 

 carina near the base of the first abdominal 

 segment femorata. 



(1) 2. Smaller, marginal cell closed in botli sexos, ^ 



first abdominal segment simple . . . minuta. 



T. femorata, Fahr. — Pdack, shining, clothed with 

 scattered shining white hairs, posterior and intermediate 

 femora and tibiae in the ? red, or rarely black ; head and 

 thorax largely punctured, propodeum scarcely punctured, 

 carinated posteriorly, with three longitudinal carina;, the 

 central one slightly abbreviated, wings rather dusky, 

 nervures dark brown, marginal cell open at the apex in 

 the ? ; abdomen in the ^ with the basal segment subglobose, 

 in the ? distinctly narrower than the second, largely 

 punctured, eighth ventral valve in the c? with an upturned 

 process ; legs very shining, tibiee and tarsi densely spinose, 

 tarsi with a series of spines round the apex of each joint, 

 claws bifid. 



L. 8-12 mm. 



Common in some places but local. Often on Daiicus 

 cnrota ; Southwold. Ipswich; Barham, Suffolk; {Boih- 

 ney). Colchester; {Harwood). Lowestoft ; (i^ .D. Jfon'ce). 

 Cromer ; Birchwood ; Blackwater, Hants ; Sandhurst ; 

 near Windsor; Southend; Deal; North Devon; (Smith). 

 Stoke Wood, near Exeter ; Fordlands, near Ide ; (Parjitt). 

 Land's End; {Marquand). Woollacorabe, North Devon; 

 (Swale). Freshwater Bay, Pembrokeshire ; [Mars //all). 



T. minuta, V. de Lind. — Much smaller than the pre- 



