6. HALICTTTS. 83 



4. Halictus leucozonius. 



H. ater, cinereo pubescens, abdominis segmentis intermediis basi 

 albis. Mas naso porrecto, apice albo. 



Halictus leucozonius, St.-Farg. Ilym. ii. 275. 



Smith, Zool. vi. 2171 ; Bees Great Brit. 2o. 



Nyland. Notts, ur Sallsk. pro Faun, et Flo. Fenn. i. 199. 



Thorns. Opusc. Ent. 308 ; Hi/m. Scand. ii. 138. 

 Apis leucozonia, Schrank, Ins. Austr. 406. 



Rossi, Mantis. 319. 

 Melitta leucozonia, Kirby, Mon. Apum Angl. ii. 76 S 2 • 

 Hylaeus leucozonius, Schenck, Xass. Bien. 266. 



Female. Length 4-4| lines. — Jet-black ; the clypeus produced, with 

 the apex rugose ; the face on each side has a little cinereous 

 pubescence, the mandibles ferruginous at their apex. Thorax thinly 

 clothed on the disk with pale fulvous pubescence ; the metathorax 

 rugose, and having a subdefined space at the base longitudinally 

 rugose ; the tegulse dark rufo-piceous ; the wings hyaline, beauti- 

 fully iridescent, the nervures ferruginous ; the legs have a cinereous 

 pubescence, the posterior pair having their scopae slightly fulves- 

 cent ; the apical joints of the tarsi ferruginous. Abdomen sub- 

 ovate, shining, closely and finely punctured ; the second, third, and 

 fourth segments have on their basal margins a band of short snow- 

 white pubescence, the first band usually interrupted ; the apex has 

 a little pale fulvous pubescence. B.M. 



Male. Length 3-3f lines. — Black ; the face clothed with white 

 pubescence, the apex of the clypeus white, the mandibles ferrugi- 

 nous at their tips ; the thorax punctured as in the female ; the 

 wings clear hyaline and splendidly iridescent ; the basal joint of 

 the four posterior tarsi white, covered with a white glittering 

 pubescence, the claws ferruginous. Abdomen oblong-ovate, convex 

 above, uniformly punctured, and having a thinly scattered cinereous 

 pubescence ; the second and third segments have usually on each 

 side on their basal margins a patch of white pubescence : these are 

 frequently obliterated. B.M. 



This is a very abundant species, and found in most parts of the 

 country ; in the month of August it occurs in great profusion ; and 

 males are sometimes taken as late as the 27th of October. It is very 

 plentiful in the London district, at the Land's End, and at Barmouth, 

 North Wales. 



5. Halictus lugubris. 



M. ater, albido subpubescens, abdominis segmentis intermediis basi 

 utrinque plantisque albis, antennis longioribus. 



Halictus lugubris, Smith, Zool. vi. 2169 <$ only ; Bees Great Brit. 33 



rj only. 

 Melitta lugubris, Kirbxj, Mon. Apum Angl. ii. 81 J. 



g2 



