64 MANDIBULATA. — HYiMENOrTERA. 



Sp. 19. cinctus. Niger, abdominis segmento 3-tio, et i-to latei'ihus anoque 

 flavis, pedibusjlavo-variis. (Long. corp. 5 — 6 lin. Exp. Alar. 9§ — ll^ lin.) 



Te. clncta. Panzer.~A\L cinctus. Sieph. Catal. 334. No. 3882. 



Black: labrum and clypeus luteous; mandibles reddish; abdomen with the 

 3rd segment entirely yellow above and on the sides, the 4th and 5th on the 

 sides above, the 6th to the last yellow on the back; 4 anterior legs luteous, 

 their femora black behind ; 2 hinder femora black, coxae and trochanters 

 yellow ; tibiae yellow, black at the tip ; tarsi dusky, with a testaceous streak 

 within ; wings hyaline yellowish, with the nervures fuscous. 



Male with the head beneath and under surface pale yellow ; the abdomen with 

 the 3rd and 4th segments yellow, the latter interrupted with black on the 

 back, and the terminal joint with a narrow yellow edge ; legs yellow, with 

 a black streak throughout the upper edge of each. 

 Abundant on flowers throughout the metropolitan district, at the 



end of June and beginning of July ; found also at Dover. 



Sp. 20. zonatus. Niger, collaris margine utrinque, scutello abdomineque medio 



Jlavis. (Long. corp. 6— 6| lin.; Exp. Alar. 10 — 13^ lin.) 

 Te. zonata. Panzer. — All. zonatus. Steph. Catal. 334. No. 3883. 

 Black: labrum and clypeus bright-yellow; scutellum and margins of the 

 collar, with the wing scales also yellow ; abdomen with the 4th and 5th 

 segments and edge of the 3rd, and the last pale yellow; legs yellow, with 

 the femora and tips of all the tibiae black ; wings hyaline, pale testaceous, 

 with the nervures and stigma fuscous. 

 Male with the abdomen nearly entirely yellow, the basal and penultimate 

 segments being black, and the 2nd segment black in the middle ; legs yellow, 

 with the 4 anterior femora black behind, the posterior femora, their tibiae, 

 and basal joint of the tarsi above also black. 



Frequently taken at Darenth wood, but not very common else- 

 where, about the end of June and beginning of July. In Scotland. 



■f Sp. 21. flavicornis. Luteus, capite, abdominisque apice nigris, ore et macula ad 

 basin coxarum posticaruvi Jlavis ; alis apice nigricantibus. (Long. corp. 

 6|- lin. ; Exp. Alar. 12^ lin.) 



Te. flavicornis. Fabricius. — All. flavicornis. Steph. Catal. 334. No. 3884. 



Antennae yellow; head black ; mouth and clypeus pale yellow ; disc of thorax 

 and abdomen yellow, the tip of the last broadly black ; legs yellow, with the 

 hinder femora black, yellow at the tip, and a whitish-yellow spot at the 

 base of their coxae ; wings yellowish-hyaline, with the tip brownish. 



Male with the legs entirely ^yellow, the apex of the abdomen less broadly 

 tipped with black, and that of the wings pale fuscescent. 

 Taken near Plymouth : apparently rare. 



