Plate XIX. 



Fig. 162. HYLECCETUS DERMESTOIDES, L., Curtis. (Male.) [F. Lymexylonidfe. 

 G. Hylecoetus, Latr.'\ 



Elongate, black, rather shining, pubescent, legs reddish yellow, antennae pitchy ; elytra 

 occasionally ferruginous, with the apex fuscous. Head transverse, nearly as wide as the thorax, 

 thickly and rather coarsely punctate, with a large impression on the forehead ; maxillary palpi 

 with the terminal joint emitting a double row of elongate leaflets. Thorax transverse, slightly 

 narrowed in front, sides nearly straight, rather thickly and somewhat coarsely punctate. Elytra 

 elongate, sides parallel, very thickly and finely punctate, with traces of oblique longitudinal ridges. 

 Length, 3-5g lines. 



Female, reddish brown ; antenna? fuscous at the apex ; terminal joint of maxillary palpi oblong, 

 simple. Length, 4-8 lines. 



On old birch-trees ; Sherwood Forest ; and Black Forest, Rannoch, Perthshire. 



Fig. 163. LYMEXYLON NAVALE, L., Curtis. (Female.) [F. Lymexylouidie. G. 

 Lymexylon, Fab.'\ 



Elongate, slightly shining, clothed with a short grey pubescence, reddish yellow, bead black, 

 tips of antennaj, and outer margin and apes of elytra fuscous. Head transverse, wider than the 

 thorax, sub-orbiculate, coarsely and very thickly punctate, sub-opaque ; antenna; pitchy, basal 

 joint rufous ; terminal joint of maxillary palpi ovate, truncate, simple. Thorax longer than broad, 

 narrowed in front, sides rounded anteriorly, nearly straight behind; minutely and thickly punctate. 

 Elytra elongate, narrowed to the apex, gaping at the suture, shorter than the abdomen, finely and 

 thickly punctate, each with two or three very indistinct longitudinal ridges. Length, 4-5,^ lines. 



Male black, elytra fuscous, the base within from the shoulder to the middle of the suture, 

 abdomen, .and legs, reddish yellow; maxillary palpi with the terminal joint emitting an_ intricate 

 fascicle of hairy filaments. Length, 2|-4 lines. 



Very rare. On old oaks, Windsor Forest ; and on oak timber in Dcvonport Dockyard. 



Fig. 164. ANTHICUS INSTABILIS, Schmidt. (Male.) [F. Anthicidre. G. Anthicus, 

 Payk.'] (A. tibialis, Curtis, but not of Waltl.) 



Oblong, pitchy black, with a yellowish-grey pubescence, thickly and rather coarsely punctate ; 

 antennse, palpi, tibia;, and tarsi reddish brown. Head as wide as the thorax, sub-quadrate. Thorax 

 longer than broad, narrowed behind; sides rounded in front, nearly straight posteriorly; with a 

 triangular fovea at the base in front of the scutellum. Elytra ovate, a little shorter than the 

 abdomen. Posterior tibia; dilated externally at the apex. (In the female the posterior tibia; are 

 simple.) Length, 1^ lines. 



Not uncommon. Netley; Ryde, Isle of Wight ; Southampton; Southend; &c. 



Fig. 165. GIBBIUM SCOTIAS, Fab., Curtis. \_F. Plinidfe. G. Gibbium, Scopoli.'] 



Globose, shining chestnut brown ; antennfe and legs clothed with a dense silky yellow pubes- 

 cence. Head deflexed. Thorax transverse, narrowed in front, sides nearly straight. Elytra ovate, 

 convex. Length, Ij-lJ lines. 



Found in old houses ; Bristol ; London ; Newcastle-on-Tyne ; itc. 



Fig. 166. PTINUS SEXPUNCTATUS, Pamer, Curtis. [F. Ptiuidre. G. Ptiuus, L.] 



Sub-cylindrical; brown or reddish brown, forehead, scutellum, a large patch at the base of 

 each elytron just behind the slioulder, and another, frequently divided, near the apex, snowy white; 



37 



