Heterofiyna and Fossorial Hijiiieiiojdera. 289 



This is a very distinct species, and one of our smallest ; 

 from variits, which is the only other one of this section 

 with a spine on the mesoplem-a, it differs in the shining, 

 almost smooth hasal area of the metathorax, and from 

 all the species in the regularly ovate shape of the 

 abdomen. 



14. WesmacU, V. d. Lind. Nouv. Mem. Acad. Brux. 

 V. p. G5. 



Black, shining ; scape of the antennae yellow in front ; 

 sometimes with a spot on each side of the collar, the 

 tubercles, and the scutellum yellow; apex of the abdomen 

 testaceous ; femora yellow at the extreme apex in both 

 sexes, and beneath in the 3" ; anterior and intermediate 

 tibiae yellow, except a black line behind ; posterior 

 tibiae widely yellow at the base; tarsi with the basal 

 joint pale, the rest more or less fuscous. Head and 

 thorax punctured ; metathorax with the basal area 

 shining, surrounded by wide crenate lines, and divided 

 down the middle by a narrow crenate line ; metathorax 

 below the basal area also bounded at each side by a 

 crenate impression, and with a central crenate line ; 

 abdomen finely punctured ; tibiae spinose on their outer 

 margin ; intermediate tibiae simple. 



Length 5 — 6 mill. 



Common, and generally distributed. 



15. elongattilus, V. d, Lind. Nouv. Mem. Acad. Brux. 

 V. p. 64 ^2^ro2nnqiius, Shuck.; liifalinns, Shuck.; 

 ohliqiiHS, Shuck.; jjallidipal pis, Shuck.; traxsrersalis, 

 Shuck. ; lutei2)alpis, Smith ; scutcllaris, Sm. ; var. 

 proximus, Shuck. 



Very like WesmacU in the ? , but both sexes may be 

 easily distinguished thus : — The (? of this species has the 

 mandibles, palpi, anterior femora and tibis in front, and 

 generally the intermediate tibiae in front, yellow ; the 

 rest of the insect black ; the basal area of the metathorax 

 very deeply strigose and dull ; the intermediate tibiae 

 rather suddenly thickened just below the base ; the ? has 

 the legs much darker than in Wesmaeli, the tibiae being 

 pale only at the extreme base of the intermediate and 

 posterior pairs ; the scutellum black, and the apex of the 

 abdomen scarcely piceous ; the puncturation of the thorax 

 is distinctly closer and finer, and the surface less brilliant ; 



