72 HETEROMERA, [ Mordellistena, 
On flowers of Umbellifere, &e.; very local and, as a rule, scarce, but not so un- 
eommon as the type form; London district, not uncommon (Champion); Mickleham, 
Caterham, Claygate, Ripley, Lee, Darenth Wood, Chatham, Sevenoaks, Beursted 
near Maidstone, Purley; Ryde (Power). 
M. brunnea, I. (humeralis, var., Muls.; meridionalis, Costa). 
Brownish-testaceos or rufous-brown, clothed with silky pubescence ; 
antenne 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 bisinuate 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 tibiz 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. 35-45 mm. 
On flowers of Umbellifere, &c.; I have also taken it early in August by beating 
high hawthorn hedges; very local and, as a rule, scarce; London distriet, not un- 
common, Claygate, Coombe 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 a hawthorn hedge, Aug. 1877) ; Bewdley 
Forest (Blatch). 
M. pumila, Gyll. (stricta, Costa). Elongate, narrow and linear, 
black, somewhat shining, elothed with very fine silky pubescence, which 
has a violet reflection; antenne black, rather long, with the second and 
third joints about equal; thorax as long as broad, with the base strongly 
bisinuate and produced in 2 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 tibize and joints of tarsi with distinct oblique 
strigosities. L. 3-4 mm. 
Male smaller and narrower, with the fourth joint of the antenne 
much narrower than the fifth. 
Female a little broader, with the fourth joint of the antenne a little 
narrower than the fifth. 
By sweeping flowers, &c.; not uncommon locally ; London district, common, 
Shirley, Caterham, Mickleham, Reigate, Ripley, Coombe Wood, Birch Wood, 
Darenth Wood, Chatham, Sheerness, Bearsted near Maidstone; Bushey ; Hertford ; 
Wrabness, Essex; Folkestone; Hastings district, Bopeep (in plenty Aug. 1817 
(Power) ), &c.; Hastbourne; Isle of Wight; Glanvilles Wootton ; Nettlecomb, 
Somerset; Devon, Barnstaple and other localities; Swansea; Horning Fen and 
Aylsham, Norfolk; I know of no record from further north, or from the midland 
counties. 
IM. brevicauda, Boh. (subtruncata, 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 
