130 MAXDIBULATA. XELROPTEKA. 



the pupa has the limbs enveloped in a membrane, but free, as in the 

 Hymenoptera, is quiescent, and not active, as stated by Curtis, in 

 copying from Latreille. 



Sp. 1. Ophiopsis. Plate xxxi. f. 1. — Aira^ nitida, clypeo, antennarum bast, 

 Jemorum apice tibits tarsisque ochraceo-flavis, ahdomine lineis 2-bus lateralibus 

 marginibusque segmentorum stramineis. (Long. corp. S 5 — 65 lin.; ? 7 — 10 

 lin. ; Exp, Alar. 1 unc. 1 — 4 lin.) 



Ra. Ophiopsis. Linni.— Curtis, v. i. pi. 37, — Steph. Catal 314. No. 3527. 



Shining, black : head moderate, slightly punctured in front and behind ; clypeus, 

 base of the antennae, under surface and tips of the femora, the tibiae and 

 tarsi ochreous-yellow, base and upper surface of the femora dusky; abdomen 

 with two rows of straw-coloured spots on each side, and the margins of the 

 segments, especially in the middle of the back, and beneath of the same hue, 

 apex of the antennae fuscescent ; wings slightly stained with fuscous, with 

 fuscous nervures and black, or brownish stigma. 



Found in various places within the metropolitan district, but not 

 very abundantly : it has occurred at Darenth and Coombe woods, 

 also at Colney Hatch, and in the New Forest, in June. 



Sp. 2. megacephala. Atra, nitida, ore, antennarum basi, iibiis tarsisque ochraceo- 

 Jlavis, abdomine lineis 2-bus lateralibus stramineis, stigmate brunneo, capite 

 magna lined postice piced. (Long. corp. <J 6 lin. ; ? 7 — 8 lin. ; Exp. Alar. 

 14—15 lin.) 



Ra. megacephala. Leach MSS.— Steph. Catal. 314. No. 3528. 



Shining, Mack : clypeus, base of the antennae, the tibiae and tarsi ochreous- 

 yellow ; abdomen with two rows of straw-coloured spots on each side; 

 anterior femora ochreous-yellow, with the base pitchy-black, four posterior 

 ones pitchy-black, with the apex dark ochreous ; wings slightly stained with 

 yellowish, nervures fuscous, stigma brown ; head very large, faintly 

 punctured, and generally with a dull tawny streak behind. 



Probably a variety of the preceding species. 



Taken occasionally within the metropolitan district, in June. 



Sp. 3. Londinensis. Nigra, nitida,ore, antennarum basi, collaris lateribus, tibits 

 tarsisque ochraceo-flavis, abdomine flavo punciato, alis hyalinis, stigmate 

 Jlavescente. (Long. corp. i 4—6 lin.; 9 5—7^ lin,; Exp. Alar. 8— 11§ lin.) 



Ra. Londinensis. Leach MSS.— Steph. Catal. 314. No. 3529.— Ra. Ophiopsis. 

 Wood, \i.pl. 52? 



Shining black ; mouth ochreous-yellow, varied with black ; collar with its 

 sides-, and occasionally its anterior edge, broadly ochreous-yellow ; meso- 

 ihorax with a yellowish spot in front; abdomen with a dorsal and four 

 lateral rows of yellow spots, the ventral segments edged with the same; legs 



