6. HALICTUS. 93 



Female. Length 4^- lines. — Head nigro-asneous, the face thinly 

 clothed with griseous pubescence ; the clypeus much produced, and 

 having a few large punctures at the apes ; the mandibles ferrugi- 

 nous at their apex. Thorax nigro-aaneous, finely and very closely 

 punctured ; the teguloe pale testaceous ; the wings fulvo-hyaline, 

 the nervures pale ferruginous ; the legs have a yellowish white 

 pubescence ; that on the tarsi beneath fulvous. Abdomen ovate, 

 highly polished and finely punctured ; on the basal margins of the 

 second aud third segments is a fascia of very short yellowish white 

 pubescence ; the pubescence is beautifully plumose or pectinate ; 

 the apical segments have a scattered short, pale, yellowish pubes- 

 cence, the sides of the anal rima fidvous. B.M. 



Male. Length 4 lines. — Head and thorax dark olive-green, abdo- 

 men and legs black. The head and thorax closely and finely 

 punctured ; the apex of the clypeus white : the face clothed with 

 cinereous pubescence, the cheeks more thinly clothed with the same. 

 Thorax with cinereous pubescence ; the anterior tibiae, the tarsi, 

 the extreme apex of the femora, and the base of the posterior tibias 

 pale rufo-testaceous. Abdomen elongate, widest towards the apex, 

 and having a scattered cinereous pubescence ; a band of white pu- 

 bescence at the basal margins of the second and third segments ; 

 the apical segment rufo-testaceous. B.M. 



This species was plentiful in the month of August at Bournemouth, 

 1864 : also taken at Pool and Christchurch. I know of no other lo- 

 calities in England. It has been taken at IToffat, Scotland. 



18. Halictus tumuloruni. 



H. nigro-aeneus, pallido subpubescens, abdominis segmentis raar- 

 ginibus pallidis. Mas nigro-aeneus, glabriusculus ; antennis corpore 

 brevioribus, subtus fulvis ; pedibus niaxilliscpue flavescentibus. 



Halictus tumulorum, Smith, Entomol. iv. 247. 



Thorns. Opusc. Ent. 312 ; Hijm. Seand. ii. 148 ? 

 Apis tumulorum, Linn. Faun. Suec. 419 ; Syst. Nat. i. 953. 

 Apis flavipes, Fabr. Mantis, i. 305 J. 

 Hylseus flavipes, Fabr. Ent. Syst. ii. 305. 

 Apis seladonia, Fabr. Ent. Syst. Supp. 276 § . 

 Melitta flavipes, Kirbi/, Man. Apum Anyl. ii. 55. 

 Halictus flavipes, Smith, Zool. vi. 2042 tf $ ; Bees Great Brit. 34. 



Thorns. Hym. Scand. ii. 149. 

 Halictus seladonius, Nyland. Notts, ur Stilish, pro Faun, et Flo. Fenn. 

 ii. 247. 



Female. Length 3-4 Hues. — Nigro-aeneous ; the flagellum more or 

 less testaceous beneath ; the thorax shining and closely punctured ; 

 the metathorax sometimes blue-green ; the prothorax has an im- 

 pressed line in the centre passing backwards to the middle of the 

 disk, and on each side there is a shorter one opposite the tegulae ; 

 the tegula? testaceous ; the wings hyaline and iridescent, the ner- 

 vures pale testaceous ; the pubescence of the legs yellowish white. 



