ENGIDJE. RHYZOPHAGUS. 101 



it differs in not having the second interstice between the striae on the elytra 

 wider than the others, and punctate throughout its basal half. Rh. rufus is 

 distinguished from the preceding by having the punctures on the thorax very 

 minute, and the stria? on the elytra rather remotely punctate. 



Found within the metropolitan district, and, I believe, in other 

 parts. " Bottisham, on timber." — Rev. L. Jenyns. 



Sp. 4. dispar. Linearis, nitidus, thorace subohlongo, subtiliter punctulato, postice 

 angustiori, elytris punctato-striatis. (Long. corp. 1 — 1^ lin.) 



Ly. dispar. Paykul.—Rh. dispar. Steph. Catal. 91. No. 976. 



Linear, shining, colour variable : the thorax rather elongate, very finely punc- 

 tured, and slightly narrowed at the base : the elytra punctate-striate, slightly 

 convex, the base and apex more or less rufo-ferruginous, the centre with a 

 black or piceous fascia : antennae and legs ferruginous. 



In some examples the thorax above, the breast and base of the abdomen are 

 pitchy-black : others are entirely rufo-ferruginous, with the exception of the 

 fascia on the elytra. 



Found near London, but not common. " Occasionally found 

 beneath the bark of oaks (near" Swansea)." — L. W. Dillwyn, Esq. 



Sp. 5. bipustulatus. Niger aut nigro-piceus, nitidus, glaber, antennis pedi- 

 busque ferrugineis, elytris macula ferrugined ante apicem. (Long. corp. 1£ 

 lin.) 



Ly. bipustulatus. Fabricius.—Rh. bipustulatus. Steph. Catal. 91. No. 97. 



Black or pitchy-black, shining, glabrous : head punctate, with the mouth ferru- 

 ginous : thorax transverse, rather narrowed posteriorly, punctate : elytra 

 punctate-striate, with a ferruginous spot near the apex, and sometimes a 

 second at the base : antennae and legs ferruginous, the club of the former 

 palest. 



Some examples are entirely testaceous, or very pale ferruginous ; arising pro- 

 bably from immaturity. 



Not uncommon in Battersea-fields beneath the bark of decaying 

 trees, and at the roots of grass. " Under bark of decayed ehns, in 

 Kensington Gardens, in the winter." — Mr. Ingpen. 



Sp. 6. parvulus. Nigro-piceus, nitidus, subdepressus, antennis pedibusque ferru- 

 gineis, thorace subquadrato, subtiliter punctato, elytris testaceis punctato- 

 striatis. (Long. corp. 1 lin.) 



Ly. parvulus. Paykul.— Rh. parvulus. Steph. Catal. 91. No. 978. 



Shining pitchy-black, somewhat depressed ; head piceous, anteriorly testaceous, 

 very finely punctured : eyes black : thorax subquadrate, slightly depressed, 

 and finely punctate : elytra glossy testaceous, sometimes a little clouded with 

 fuscous; slightly convex, punctate-striate, the striae distinct: body beneath 

 pitchy, with the apex rufous ; antennae and legs ferruginous. 



