296 MANDIBULATA. — COLEOPTERA. 



b. Body ovate ; elytra rounded at the apex. 



Sp. 2. Brassicae. Ovata, convexa, saturate nigra, crehre subtiliter punctata, 

 elytro singula lineolis duabus, antennarumque hasijlavo-testaceis. (Long. corp. 

 1-Ulin.) 



Ha. BrassicsB. Olivier. — Steph. Catal. 213. No. 2152. 



Ovate, convex^ deep-black, tbickly and delicately punctate: thorax very convex: 

 elytra also very convex, each with two longitudinal, somewhat trigonal tes- 

 taceous yellow streaks, placed one towards the base, the other near the apex, 

 the last a little bent : femora black, shining : tibiae and tarsi pitchy-fuscous : 

 antennae testaceous at the base, fuscous at the apex, the fifth joint in the male 

 enlarged, and in the female elongate. 



Rare near London : I liave taken it at Hertford, and once near 

 Ripley. " Cummersdale." — T. C. Heysham, Esq. 



B. Antennae simple in both sexes. 

 a. Thorax without a transverse impression behind. 

 * Elytra punctulate ; not striated. 



Sp. 3. Nemorum. Oblonga, subdepressa, nigra, crebre punctata, elytris vittd 

 longitudinali integrd sulphured, antennarum basi tibiis tarsisque testaceis. 

 (Long. corp. 1 — 1^ lin.) 



Ch. Nemorum. Linne. — Don. xvi. pi. 569. f. L— Ha. Nemorum. Steph. Catal. 

 213. No. 2153. 



OZ»fow^-ovate, somewhat depressed, black, thickly punctured : forehead with a 

 longitudinal carinula between the antennae, above which is a duplex fovea : 

 thorax more deeply punctured than the head: elytra moderately convex, 

 greenish-blsic)i, with a broad entire longitudinal sulphureous streak, a little 

 bent at the apex, which it does not touch: femora black : anterior knees, as well 

 as all the tibice and tarsi, testaceous : base of the antennae the same. 



Very abundant, not only within the metropolitan district, but in 

 other parts of the country, especially in newly sown turnip-fields, 

 to which it is very destructive — thence (in common with other 

 similar depredators), but improperly, called turnip-Jl?/. " Newcastle, 

 &c. &c."— G. Wailes,Esq. "York and Oxfordshire ."—P^F'.C. Hewit- 

 son, Esq. " Cramond, abundant." — Rev. W. Little. " Holme- 

 gate, &c." — T. C. Heysliam, Esq. " Swansea, abundant." — L. W. 

 Dillwyn, Esq. " Bottisham."" — Rev. L. Jenyns. 



Sp. 4. flexuosa. Oblongo-ovata, subdepressa, nigra, crebre punctata, elytris 

 vittd longitudinali angustd sinuatd, luteo-testaceCi, antennarum basi testaceo. 

 (Long. corp. l^lf Un.) 



