13.2 CARABIDJS. DIACHROMUS. 



red spot on the crown, basal joint of the antennae red, with a 

 dusky streak above. Thorax subquadrate, rather short, sides 

 rounded and widest in the middle, posterior angles rather 

 rotundate; disk transversely wrinkled, the dorsal line deeply 

 impressed in the middle, base with a large punctured fovea on 

 each side more or less strongly impressed, the punctures extend- 

 ing a little way up the lateral margins. Elytra oblong, a little 

 sinuated before the apex, striated, the margin with a few 

 scattered punctures, and the third interstice occasionally with 

 from one to five impressions near the extremity; underside 

 greenish black, minutely punctured; legs black. Length 5|- 

 lines. 



Rather local : shores of the Thames below Gravesend, near the 

 Fort ; Isle of Sheppey ; Southend ; Deal ; Lymington Salterns 

 in May and June. 



Genus 40. DIACHROMUS, Erichson. 



Mentum dente media brevi obtusiusculo . Ligula porrecta cornea, 

 apice media sinuata ; paraglossis membranaceis, obtusis, 

 ligulam paululum superantibus. Palpi articulo ultimo fusi- 

 formi. Labrum quadratum, apice emarginatum. Tibiae 

 anticae spind apicali duplici. Tarsi anteriores maris articulis 

 dilatatiSy subtiis aqualiter spongiosis, ultimo transversim 

 car data. 



1. D. germanus : ovatus, subpubescens, confertissime punctatus ; 

 capite elytris antennis pedibusque rufo-testaceis ; thorace 

 elytrorumque macula posticd cyaneis. 



Car abus germanus, Linn. S. N. 2. 671. Fab. S. El. 1. 204. 

 Harpalus germanus, Sturm, D. F. 4. 99. Dej. Spec. 4. 230 ; 



Icon. 4. 130. pi. 184. 



Ophonus germanus, Curtis, Ent. pi. 191. Steph. Mand. 1. 164. 

 Diachromus germanus, Erichson, Kafer, 44. Steph. Manual, 



p. 48. 



Head testaceous red, densely and finely punctured, and with 

 an obsolete fovea on each side ; palpi and antennae red, eyes and 

 tip of mandibles black. Thorax bluish or greenish, short, sides 

 dilated and rounded below the anterior angles, contracted behind, 

 posterior angles right angles, the entire surface densely punc- 

 tured, base with two impressions, central line obsolete. Elytra 

 ovate, testaceous red, with a bluish or greenish black patch at 

 the apex, striated, interstices thickly and minutely punctured, 



