74 POMPILUS PUNCTUM. 



20. Pompilus (Agenia) punctum. 



P. oiger, immaculatus; abdomine biwiterpetiolato; tibiis posticis 



baud Bermlatis. Tarn. 

 P. facie utrinque ad marginem internum oculi linea albida. sig- 



nata, anoque puncto albo. Mas. 



Sphcx pnnctum, Fabr. Spec. Ins. i. 418. 33 ; Mant. i. 276. 39 $ . 

 Evania punctum, Fabr. Ent. Syst. ii. 194. 0. 

 Ccropales punctum, Fabr. Syst. Piez. 187. 9. 

 Foinpilus punctum, Pan:. Faun. Germ. 86. 12. 



Fan d. Lind. Obs. i. 315. 10. 



Shuck. Foss. Hym. 56. 7. 



Smith, Trans. Ent. Soc. Lond. iii. new ser. 

 Pompilus petiolatus, i'an d. Lind. Obs. i. 314. 9 ? . 



Shuck. Foss. Hym. 54. 5. 

 Agenia carbonaria, Dahlb. Hym. Europ. i. 90. 43 <? ? . 

 Anoplius albigena, St. Farg. Hym. iii. 457. 27 $ . 

 Anoplius petiolatus, St. Farg. Hym. iii. 443. 3 ? . 

 Agenia punctum, Wesm. Hym. Foss. Bely. 66. 1. 



Female. Length 3-5^ lines. — Black ; the head closely and deli- 

 cately punctured, a faint longitudinal impressed line running 

 from the anterior ocellus to the base of the antennae ; the cly- 

 peus very convex at the base, slightly produced and pointed in 

 the middle of its anterior margin, and having a few scattered 

 griseous hairs ; tips of the mandibles ferruginous. Thorax fine- 

 ly punctured ; the metathorax obtuse, delicately transversely 

 rugose, with a slight central impressed line at the base ; the 

 tegulse piceous ; the wings slightly coloured and iridescent, the 

 nervures piceous ; the anterior tarsi and the intermediate and 

 posterior tibiae with a few very short slight spines. Abdomen 

 distinctly petiolated, very delicately punctured, and covered 

 with a fine, sericeous changeable pile, except the apical seg- 

 ment, which is glossy, smooth and shining ; the apex rufo-tes- 

 taceous. 



Male. Length 4-5 lines. — Black; the head pubescent; the 

 antennae robust, as long as the thorax ; the face with a longi- 

 tudinal broad white stripe on each side extending across the 

 clypeus, leaving a black central spot, its anterior margin cmar- 

 ginate ; the mandibles sometimes with a white spot in the 

 middle. Thorax : a little hoary pubescence at the sides ; the 

 metathorax with a thin sericeous down ; the wings smoky hya- 

 line, the tegulae and nervures piceous ; the legs simple ; the 

 anterior coxae and femora in front, the tibiae and tarsi piceous ; 

 the coxae and trochanters with a loose silvery down. Abdomen 



