276 Entomological Society. 
of Otiorhynchus picipes, each antenna having only four joints in the 
funiculus instead of the ordinary number. 
The following memoirs were read :— 
«Description of a genus and species of Syrphideous Diptera new 
to Britain.” By P. Desvignes, Esq. 
DrpEa, Macquart (Enica? Meigen). Antenne porrecte, articulo 
3tio elliptico, compresso, intus attenuato, setd tertid parte longitu- 
dinis insertd, nudd; oculi nudi; abdomen oblongum, valde depres- 
sum, limbatum ; cellula marginalis alarum aperta, submarginalis 
pediformis. 
Didea fasciata, Macq. Face and forehead yellow ; antenne inserted 
on a prominence, black ; thorax metallic green with yellow hairs 
on the sides; scutellum yellowish ; abdomen with two large lateral 
yellow spots on 2nd segment, 3rd and 4th segments with a broad 
yellow band posteriorly crescent-shaped ; four anterior thighs black 
at base; tibie yellow ; hind legs and all the tarsi black, the former 
yellow at the knees; wings hyaline, with a faint tinge of yellow ; 
submarginal and mediastinal cell brown. (Syn. Enica Foersteri ?) 
This genus approximates to Kristalis in having the submarginal 
cell pediform, and to Syrphus, Macq., in having the marginal cell 
open ; but differs from both in its antenne. 
It appears very rare abroad. ‘Taken in October 1841 at Birch 
Wood. In Mus. Desvignes. 
‘Descriptions of some new species of the Lamellicorn genus Pa- 
rastasia, Westw.” By Professor Erichson of Berlin. 
Parastasia scutellaris, Erichs. Supra lutea, capite scutelloque nigris, 
infra nigra, abdominis lateribus luteis. Long. ln. 7.—Hab. in 
insula Riouw, prope Sumatram. Mus. Reg. Berol. 
Parastasia dimidiata, Erichs. Nigra, nitida, elytris posticé luteis, 
pygidio rufo. Long. lin. 45.—Hab. in insula Riouw. Mus. 
Reg. Berol. 
Parastasia nitidula, Erichs. Nigra, nitida, elytris fusco-eneis politis. 
Long. lin. 4.—Hab. in insula Bintam, prope Sumatram. Mus. 
Reg. Berol. Omnes sunt genuine Parastasie. 
«Descriptions of some new exotic species of Lucanide.” By J. 
O. Westwood, F.L.S. 
gus platycephalus, Guérin MSS. Niger, tenuissime punctatus, 
capite et pronoto latissimis ; mandibulis capite longioribus, apice 
falcatis, intus ante medium dente valido, suberecto, obtuso, instruc- 
tis; pedibus et elytris piceis, his 6-striatis ; tibiis 4 posticis in 
medio 1-dentatis.—Long. corp. mand. excl. lin. 16. Mus. Guérin. 
gus equalis, Hope MSS. Piceo-niger, capitis et pronoti lateribus 
magis piceis, levis, oblongus, elytris 6 punctato-striatis ; capite 
lato; mandibulis capite parim longioribus falcatis, singuld ad 
basin dente supero armatd. Long. corp. mand. excl. lin. 114. 
/fgus Malabaricus, Hope MSS. Niger, elytris opacis punctatis- 
simis, singulo 7-striato ; striis alternatis, profundioribus ; capite 
angusto, laieribus angulatis, pronoto fere quadrato ; mandibulis 
