1254 FAMILY LV. TENEBBIONID.E. 



c. Head of male uiuirmecl ; scutel]\un broiully transversi' ; ej'es 



rounded, entire. XII. C.e.n'ocorse. 



cc. Uciid of male armed with two pointed tubercles; scutellum little 



wider than long; eyes transverse, divided. Gnathoceeus. 



lid. Last .loint of maxillary paljii triangular; head of male not tubereu- 



late ; length more than 6 mm. 



f. Bpipleura^ entire; fmnt tibiic more or lesss dilated, finely toothed; 



last joint of antennas oval. XIII. Atphitobius. 



ff. Bpipleurje abbreviated ; color dark reddish-brown. 



g. Front tibite slender; first joint of hind tarsi short; form elon- 

 gate, subdepressed. Tharsus. 

 Off. Front til)i,-i' bniad. serrate; form broad, subconvcx. 



XIV. Floma. 

 cc. Base cil' (borax margined, the hind angles ciivering the humeral an- 

 gles of elytra; front tibiic slightly dilated, finely denticulate. 



EUTOCHIA. 



X. Teibolium McLeay. IMiif). ((}i-,, "thrice pointed. ") 



Small elongate parallel species having the antenna? slender, the 

 last three joints suddenly dilated to form a flattened club; mentum 

 nearly square with rounded front angles; last joint of maxillary 

 palpi elongate-oval, truncate at apex. Two of the three listed spe- 

 cies occur in the State. 



KEY TO IN1I1.\.\A SPKCIES OF TRIC.OI.IU.M . 



(/. Head not expanded licyond the eyes at the sides; antennal club dis- 

 tinctly three-jointed. (Fig. .-,(i1, /.) :i;)ls. ncRRrciNEUM. 

 (/(/. I-Iead expanded eacli side of fnmt of eye; antennal joints gradually 

 broader to tip. (Fig. r.Ol, c.) 2319. confusum. 



*2318 (7463). Teiboliuii feerugiseum Fab., Spec. Ins.. I, 1781. 324. 



Elongate, slender, parallel. Reddish-brown, shining. Thorax one-half 

 wider than long, sides feebly curved, hind angles rectangular; surface finely 

 and rather sparsely and dcejily punctate. Elytra with the intervals repre- 

 sented by very nari'ow. fine raised lines, the stria' with rows of minute 

 punctures. I.,ength 4-4.5 mm. (Fig. r,(n.) 



Southern half of State; conniKin in meal, grain and other vege- 

 table products. Hibernates. P(>bruavy '2-November 22. Both this 

 and the next species are commonly known as "flour beetles" or 

 "flour weevils," and "live upon cereal and other seeds and various 

 other .storiMl products, but generally prefoi' flour and meal and the 

 so-called 'breakfast focls.' Their c.g-s are ol'ti'n deposited in the 

 flour in mills, and these and the larva' they prodnc, being minute 

 and pale in eoh)r, readily ..sca],,' notice; but after the flour has been 

 barreled or ])biced in bags and left unopened for any length of tim<' 

 the adult beetles make theii' appearance, and in due course the floui- 



