2204 Insects. 



low maculae on the face of the female do not touch the eyes, but are 

 placed a little below the base of the antennae. The male has the face 

 white, not, as in the same sex of " annulatus," yellow. The species is 

 said to occur in the neighbourhood of London, but I never met with 

 it. I once took a pair in Hampshire, and Mr. Samuel Stevens took it 

 at Arundel. I believe it to be very local. 



Sp. 4. Hyl^eus dilatatus, Curtis. 

 Melitta dilatata, Kirby. 



Male. — (Length 3 lines). Black; the face below the base of the 

 antennae pale yellow ; the mandibles white, black at their extreme 

 base, and ferruginous at their tips; the basal joint of the antennae 

 very much dilated, subquadrate, externally concave, pale yellow in 

 front, the remaining joints fulvous beneath. Thorax closely punc- 

 tured ; the metathorax has a slight white pubescence ; a spot on the 

 tegulae in front, the tubercles, and the collar laterally, pale yellow ; 

 the tibiae and tarsi yellow ; the anterior and intermediate tarsi have a 

 black stain behind, and the posterior pair are annulated with black 

 towards the apex. Abdomen closely and fiuely punctured, and 

 clothed with fine, short, white pile, observable in certain lights. 



This very distinct insect was discovered by Mr. Kirby, and has 

 been beautifully figured by Mr. Curtis : the details which I have given 

 of the head will serve to distinguish it from its congeners. I have 

 some suspicion that the female which I shall next describe belongs to 

 this male : I captured them in the same locality in Hants. Mr. Saml. 

 Stevens took the male in Sussex. I never met with it near London. 

 It is a very local species. 



Sp. 5. Hyl^eus cornutus, Smith, Ent. Trans, iv. 32. 

 Melitta cornuta, Kirby's MSS. 



Female. — (Length 3j lines). Black; head closely punctured, ro- 

 tundate, a stout acute tooth on each side of the clypeus, and a raised 

 tubercle immediately below the base of the antennae, which are testa- 

 ceous beneath, excepting three or four of the basal joints, which are 

 black ; a spot on the tegulae anteriorly, and an interrupted line on the 

 collar, yellow ; the wings sub-fuscous, palest at their apical margins ; 

 all the tibiae yellow at their base ; the claws ferruginous. Abdomen 

 shining, entirely but delicately punctate. 



