[December 1884. BULLETIN BROOKLYN ENTOM. SOC. VOL. VII. 115 
Palpi short, equal, slender. 
Front coxee contiguous, hardly prominent, middle coxee distant...... Haplidus. 
IP ROVE (SFOS OENMIATINIS NOW ATM So Gao gee sab usc >>04sccooos ge eee pues Joe Achryson. 
pumeraotmesothoraxtsmmall. 05). ...4:\-40 1S eR ROR IS 9 eaevcis) sheralegansvcoe oie rare Gracilia. 
2. Antennze I1-jointed, with recurved hooks on joints 3—6 (prothorax plicate, armed, 
IDISPIMOSE)) AEM Eee 2s ce hese: ve aceos < & caste ER ERR Ret ouarel erik dese Hammaticherus. 
Amieming® TAF oOmnieE|, SMICAOUS, KORN. 25 45.60 bescse oesvesoueusaades Axestinus. 
Antenne I1-jointed, without recurved hooks. 
Front coxal cavities angulated; antennze, thighs and elytra not spinose.......... 5. 
iHront coxall cavitiessrounded or feebly angulatede ec... 40 3.2... 225 eee ee dee 6. 
5. Frontal suture deep; metathorax without scent pores. 
lZothoraxsuneven, tubenculate at sides... J) queen ase sees. ae -Brothylus. 
iOtlonaxevenk (Palpiceguall) poh fa. s-a-c..<.2\ 4 ee eNmabeer Nyse iol cs. _.. Stromatium. 
Frontal suture faint, scent pores distinct. 
Elongate, prothorax even, antennze very long....... .................. Osmidus. 
6. Scutellum acute, triangular, frontal suture very deep, antennze very long, sulcate 
Chion. 
Scutellum rounded behind. 
Femora not strongly clubbed, antennze not carinated. 
Elytra with ivory spots, prothorax with dorsal callosities, and usually with lateral 
Govinesy ANS nae SINAC Leen G ay soo ce nob eo OoIoCNee ae aoa Bburia. 
Elytra without ivory spots, antennze usually spinose. 
Episterna of metathorax narrower behind, antennze with sensitive spaces..... . 
Romaleum 
Episterna of metathorax parallel, antennze without sensitive spaces Elaphidion. 
Femora not strongly clubbed, antennze carinated. 
PATIUMMM CHS LETC Cia e eee sieves << Meeneene «nc cents RMP et Te ee ae icon uae e's Aneflus. 
ATItenies Stout njomts!excavateds beneath wamPmme enemies cis. 2 uals Eustroma, 
Femora strongly clubbed. 
PMitenmses DISWl Cates... «2cleverasjecs cee. cies See evare rer elreelars ae . Tylonotus. 
Aras TTES NOE SUNCNTS, Sena MEA Gee Gh - > cocci s Oa eeeto Une Zamodes. 
Bap wrontacoxalucavittes:closed behing )..\.vae)) eee ae sees a eee Compsa. 
Hiconimcoxalhcavinesjapen) belind) s. \.- jee eee eerie seeea a. S Heterachthes. 
Zeelionnudepresseds, dulleshiohthapubescent) qaemmtey teres ass sce ee oes Curius. 
Hoummcylindiicaluspolisheds la brousy sane meer eee esis oes Plectromerus. 
: Ganimus Lec. is a synonym of Malacopierus. Romaleum has been 
formerly included with Llaphidion. 
MALACOPTERUS, ‘erv. 
’ Contains one species: 
M. vittatus, Lec. S.M.C. No. 264, 1873, XI, p. 174. 
A large testaceous species, sparsely pubescent, thorax and elytra 
punctured, the latter bearing two coste and two narrow biack lines. 
The mandibles present a singular character, being short, stout, acute at 
tip, and the external outline having a well defined obtuse angle near the 
tip, so that the front margin is straight and transverse. The legs resemble 
those of Calidium. Length .84 inch. = 21mm. Hab. California. 
