BEES OF GREAT BRITAIN. 29 



7. Halictus 4-notatus. 



H. ater; cinereo-subpubescens ; abdominis segmentis duobus 

 intermediis basi utrinque albis. 



Melitta quadrinotata, Kirby, Mon. Ap. Angl. ii. 79. 35. 

 Halictus quadrinotatus, Brulle, Exp. de Moree, iii. 350. 773. 



Smith, Zool. vi. 2173. 24. 



Nyland. Revis. Ap. Boreal, p. 240. 6. 



Female. Length 3-3i lines. Black; head and thorax having 

 a thin cinereous pubescence, closely and rather strongly punc- 

 tured ; the clypeus produced, shining, and having a few large 

 punctures. Thorax : the tegulae nigro-piceous ; the wings sub- 

 hyaline and iridescent, their nervures testaceous ; the legs have 

 a cinereous pubescence, that on the tarsi beneath fulvous. 

 Abdomen ovate, shining, finely punctured, distantly so on the 

 basal segment ; the margins of the two basal segments slightly 

 constricted ; on the basal margins of the second and third seg- 

 ments laterally a little white pubescence; towards the apex 

 covered with a short pale downy pubescence, the anal rima fer- 

 ruginous. B.M. 



Male. Length 2^-3 lines. The antennae scarcely as long as the 

 thorax ; the face has a short hoary pubescence, the apex of the 

 clypeus and the labrum white ; the mandibles ferruginous at 

 their tips ; the wings hyaline, beautifully iridescent, their ner- 

 vures testaceous ; all the tibiae at their extreme base and apex, 

 and the tarsi, yellowish-white, the claws ferruginous. B.M. 



This is a generally distributed species : it is plentiful in the 

 London district, also in the Isle of Wight, and has been received 

 from Wales and Scotland : it is sometimes infested by a Stylops. 



8. Halictus maculatus. 



H. ater ; capite vertice crasso, subquadrato ; lateribus segmen- 

 torum 1-4 utrinque strigis pilosis albis. 



Halictus mterruptus, St. Farg. Hym. ii. 270. 6 ? (not of Panzer). 

 Halictus maculatus, Smith, Zool. vi.2172. 23. 

 Nyland. Revis. Ap. Boreal, p. 241. 11. 



Female. Length 3-3| lines. Black; the face thinly clothed 

 with pale ochraceous pubescence, the clypeus coarsely punc- 

 tured and slightly produced ; the flagellum towards the apex 

 nigro-piceous. Thorax : the pubescence on the disk sparing and 

 pale ochraceous ; the tegulse piceous ; the wings fusco-hyaline, 



