324 HYMENOPTERA ACULEATA. 



claws in both sexes and the apices of the anterior tarsi iu 

 the (J testaceous. 



L. 12-18 mm. 



Not a common species, it makes its burrows iu wood, 

 according to Smith preferring wood that is more or less 

 decayed. Occurs in the summer from June to August, 

 generally on Thistles. Woking ; Chobham ; Surbiton ; 

 Blackheath. Richmond; Hampton Court; Windsor; 

 (87nith). Norfolk ; [Bridgman). Bury St. Edmunds j 

 {Tuck). Colchester; (iTacwoocZ). Glanvilles Wootton; (JOaZe). 

 Hastings; (Fr/'shy). Bdgbaston ; Leicester; {Marshall). 



M. ericetorum, Lep ? {fijrina, Smith nee Lep.). — " ? . 

 Black ; the face on each side has some rich yellow pubes- 

 cence, that on the vertex is black. Thorax : the pubescence 

 on the disk short, sparing, and black, that on the sides and 

 beneath pale fulvous, the metathorax has a short pale pu- 

 bescence ; the apical joints of the tarsi are ferruginous ; the 

 wings subhyaline their apical margins clouded. Abdomen : 

 the two basal segments thinly clothed with pale fulvous 

 pubescence, on the following segments it is short and 

 fuscous, all the segments have a fascia of short fulvous 

 pubescence; beneath, entirely and densely clothed with a 

 golden yellow pubescence." 



L. 5-6 lines. 



" cj . The face clothed with bright pale yellow pubescence, 

 the antennee filiform, the cheeks densely bearded with 

 cinereous pubescence. Thorax : the pubescence on the disk 

 pale ochraceous, on the sides and beneath it is long, dense 

 and cinereous ; the tarsi bright ferruginous ; the anterior 

 coxse have a short acute spine. Abdomen : the base and 

 sides have a long pale pubescence, on the third and follow- 

 ing segments it is short and fuscous, the apex incurved the 

 margin of the sixth segment emarginate in the middle and 

 denticulate at the sides, the seventh has a short acute spine 

 in the middle " 



L. b Hues. 



