106 MANDIBULATA. HYMENOPTERA. 



Male with the mouth entirely yellow, the thorax beneath, and the base and 

 anterior part of the femora, with the terminal segment of the abdomen, 

 yellow. 



Abundant, in hedges on flowers, especially of the privet, at Daren th 

 wood and near Hertford especially ; also at Dover, Ripley, in Devon- 

 shire, &c. in June, the males comparatively uncommon. 



Sp. 7. floralis. Aier, nitidus, abdo?7iine fasciis anoque luieis, pectore nigro, tibiis 

 tarsisque 4 anticisjlavis. (Long. corp. 3 lin. ; Exp. Alar. 5 lin.) 



Ce. floralis. Klug.—Steph. Catal. 341. No. 3987. 



Shining black : head faintly punctured ; mandibles yellow, with the apex 

 fuscous ; palpi fuscous, with the base yellow ; ocelli and eyes brownish ; 

 abdomen black, with a triangular yellow patch at its base, the 4th and 5th 

 segments with a broad luteous margin, the 6th with a narrow one, varied 

 on each side, 7th with a small narrow border, interrupted on the sides, the 

 8th with a luteous spot on each side, and the 9th entirely yellow ; legs 

 black, the 4 anterior tibiae and tarsi yellow, posterior tibiae yellowish at the 

 base ; wings hyaline, iridescent ; nervures and stigma fuscous. 

 Rare : I have a male from Darenth wood and the female from 



Norfolk ; they were taken in June. 



Sp. 8. analis. Ater nitidus ano luteo, tibiis tarsisque 2-bus anticisjlavis. (Long, 

 corp. 3 lin.; Exp. Alar. 5^ lin.) 



Ce. analis. Klug.—Steph. Catal. 341. No. 3988. 



Shining black : mandibles yellow, edged with black above ; abdomen finely 

 punctured, with a pale yellowish triangular patch on the basal segment, 

 and the terminal one luteous ; legs black, the 2 anterior tibiae and tarsi tes- 

 taceous ; wings hyaline, the nervures fuscescent, with the stigma fuscous. 

 Rare; found in June near London. 



Sp. 9. tabidus. Aler, nitidus, abdominis lateribus luteo maculatis, tibiis anticis 

 antice testaceis. (Long. corp. 31 lin.; Exp. Alar. 5| — 6 lin.) 



Si. tabidus. Fabricius. — Ce. tabidus. Steph. Catal. Sll. No. 3d9,Q. 



Shining black : head slightly punctured; mandibles yellow, the tips brownish; 

 palpi testaceous, with the base ferruginous ; eyes and ocelli brownish, the 

 latter very glossy ; thorax with a minute yellow dot beneath the wings ; 

 abdomen slightly pubescent, and very faintly punctured, with a large 

 distinct luteous spot on each segment at the extreme lateral margin, and 

 the sheaths of the ovipositor also yellow ; legs black, with the tibiae and 

 tarsi of the anterior pair testaceous in front, the extreme joint of the tarsi 

 black ; wings subhyaline, slightly fuscescent, with the nervures and stigma 

 darker. 

 Not very common, but greatly distributed : I have taken it at 



Hertford, Cambridge, and near Whittlesea Mere, in June and the 



beginning of July ; it also occurs at Dover and near Southgate. 



