72 HETEROMERA. [Mordelh'stena. 



On flowers of Umbellifera, &c. ; very local and, as !> rule, scarce, but not so un- 

 common as the type form ; London district, not uncommon (Champion); Micklelmm, 

 Caterham, Claygat<>, Ripley, Lee, D;irenth Wood, Chatham, Seveuoaks, Bearsted 

 near Maidstone, Purley ; Ryde (Power). 



IMC. brunnea, F. (Immeralis, var., Muls. ; meridionalia, Costa). 

 Brownish-testaceo -is or rufous-brown, clothed with silky pubescence; 

 antennae long, usually more or less fuscous towards apex ; head straight 

 at base, eyes large, black ; thorax about as long as broad, very finely 

 punctured, strongly bisiimate at base, posterior angles obtuse ; elytra 

 gradually narrowed behind, very closely, and finely, but somewhat dis- 

 tinctly sculptured ; anal process long, slender and pointed ; legs tes- 

 taceous, posterior tibiae and first and second joints of posterior tarsi with 

 fuscous strigosities ; the apex of elytra and abdomen are often more or 

 less infuscate, and a variety occurs in which the elytra are entirely 

 fuscous- black, the head and thorax obscurely testaceous and the abdomen 

 brown. L. 3|-4| mm. 



On flowers of Urnbelliferce, <c. ; I have also taken it early in August by beating 

 high hawthorn hedges ; very local and, as a rule, scarce ; London district, not un- 

 common, Glaygate, Coombc Wood, Ripley, Forest Hill, Croydon, Chatham, Horsell, 

 Eltham, Darenth Wood, Crohamhurst near Godalming ; Hertford ; Ashwicken, 

 Cambridgeshire; New Forest; Swansea (on hawthorn); Bircham Newton, Norfolk 

 (a few specimens beaten by myself from u hawthorn hedge, Aug. 1877) ; Bewdley 

 Forest (Blatch). 



IMC. pumila, Gyll. (strida, Costa). Elongate, narrow and linear, 

 black, somewhat shining, clothed with very fine silky pubescence, which 

 has a violet reflection; antennae black, rather long, with the second and 

 third joints about equal ; thorax as long as broad, with the base strongly 

 bisinuate and produced in a slightly emarginate lobe before scutellum, 

 posterior angles somewhat acute ; elytra narrow, subparallel, compressed 

 laterally, very closely sculptured; anal process long, slender and pointed; 

 legs black, posterior tibise and joints of tarsi with distinct oblique 

 strigosities. L. 3-4 mm. 



Male smaller and narrower, with the fourth joint of the antennse 

 much narrower than the fifth. 



Female a little broader, with the fourth joint of the antenna; a little 

 narrower than the fifth. 



By sweeping flowers, &c. ; not uncommon locally ; London district, common, 

 Shirley, Caterham, Mickleham, Reigate, Hipley, Coombe Wood, Birch Wood, 

 Dareuth Wood, Chatham, Sheerness, Bearsted near Maidstone ; Bushey ; Hertford ; 

 Wrabness, Essex ; Folkestone ; Hastings district, Bopeep (in plenty Aug. 18B7 

 (Power)), &c. ; Eastbourne; Isle of Wight; Glanvilles W cotton ; >iettlecomb, 

 Somerset ; Devon, Barnstaple and other localities ; Swansea ; Horning Fen and 

 Aylshani, Norfolk ; I know of no record from further north, or from the midland 

 counties. 



IMC. brevicauda, Boh. (subtrwicata, Muls.). Closely allied to the 

 preceding, which it resembles in colour and general appearance, but less 

 shining, with the thorax a little shorter and less strongly sinuate on each 



