144 BEES OF GREAT BRITAIN. 



Female. Length 3-4 lines. Black; the face clothed with 

 short silvery-white pubescence, the labrum and mandibles fer- 

 ruginous, the former having usually a dark stain on each side 

 at the base ; the flagellum ferruginous at the base beneath. 

 The collar covered with yellowish-white pubescence, and two 

 abbreviated lines emanating from it in the middle ; the scutel- 

 lum, tubercles, tegulse and legs, ferruginous ; a large patch of 

 short white pubescence beneath the wings, and a spot behind 

 the tegulae ; the sides and base of the metathorax variegated 

 with white pubescence ; on each side of the scutellum a broad 

 angular tooth; the wings subhyaline, their margins faintly 

 clouded. Abdomen : an interrupted white band at the basal and 

 apical margins of the first segment, uniting at the lateral mar- 

 gins ; the second, third and fourth segments have on each side 

 a broad line of white pubescence, that on the third and fourth 

 attenuated in the middle, or interrupted ; the fifth has a spot 

 in the middle and another on each side ; beneath, ferruginous 

 towards the base, and the margins of the three apical segments 

 with bands of white pubescence. B.M. 



Var. j3. The femora more or less rufo-testaceous. 



Male. This sex only differs from the female in having the labrum 

 usually and the scutellum always black ; the coxae, trochanters, 

 and base of the femora, are usually black. B.M. 



This pretty little bee is very abundant in many parts of Kent, 

 Surrey, and Hampshire ; it is also met with at Southend in Essex ; 

 it is however local ; wherever Colletes Daviesana is found, Epeo~ 

 lus, its parasite, is to be met with ; it has been found in the 

 burrows of that bee. It usually appears early in July ; the males 

 pass a great portion of their time reposing in flowers, particularly 

 on the heads of the Ragwort ; they, are also partial to the Mouse- 

 ear Hawkweed, and may frequently be found enclosed in the 

 petals of the flowers ; the habit of this bee is very sluggish, they 

 are easily captured by hand, their sting is very acute. 



Genus 4. CffiLIOXYS. 



Apis, pt., Linn. Faun. Suec. p. 419 (1761), 

 Anthophora, pt., Fabr. Syst. Piez. p. 372 (1804). 

 Megachile, pt., Latr. Hist. Nat. 53. sec. 3 (1805). 

 Ccelioxys, Latr. Gen. Crust, et Ins. iv. 166 (1809). 



Head as wide as the thorax ; the ocelli placed in a triangle on 

 the vertex ; the eyes lateral, elongate, and covered with pubes- 

 cence. The labial palpi four-jointed, the two basal joints elon- 



