492 SOUTH AMERICAN HALTICIDAE (cOLEOPTERa) 



and stria almost entirely obscured by the pubescence, hind tibiae strongly 

 curved — claws appendiculate. 



As in rosenbergii it is difficult to distinguish the striae on the 

 elytra. 



One example. 

 Tetragonotes apicalis nov. sp. 



Slender, elongate, head and thorax black, antennae black, 

 joints ten to eleven flavous, elytra dull orange, a common elon- 

 gate triangular spot at base, including the scutellinn and coming 

 to a fine point in the suture just back of the middle, and a com- 

 mon round apical spot, black, body beneath black, legs black, 

 with the base of the femora and base of the hind tibia flavous. 



Type. — Cochabamba, Bolivia. (Germ.) Length 5 mm. 



Clypeus wide, with well developed medium carina, and two shining frontal 

 tubercles between the eyes, vertex and neck dull, finely punctulate; antennae 

 filiform, seventh joint somewhat broadened (sexual difference?); thorax much 

 narrowed anteriorly but with distinct angles, all the angles minutely tipped 

 with rufous, finely and distinctly margined at the base, distinctly depressed 

 behind and at the sides, and broadly longitudinally sulcate, the sides making 

 two rather prominent antemedian humps which are shiny, remainder of sur- 

 face dull; elytra dull with short pubescence, black and yellow on their re- 

 spective colors; body beneath shining black, all the femora yellow at base, 

 also the hind tibiae remainder black; claws appendiculate. 



As in rosenbergii the elytral striae are very vague. 



One example. 

 Tetragonotes haroldi nov. sp. 



Usual elongate form, bright honey yellow, paler beneath, e3'es, 

 tips of the mandibles, and joints three to nine of antennae rufous 

 black, upper surface opaque with fine pubescence. 



Type. — Cachabe, Ecuador; low c, XII, 1896, (Rosenberg). 

 Length 4.5 mm. 



Similar to the pale variety of T. oculatus Har. mentioned by 

 Jacoby,^ and it will suffice to point out the differences. Oculatus 

 is not a clear color, always muddy, the antennal joints are longer 

 and extend well onto the hind thighs, whereas haroldi barely 

 attain the middle of the elj^tra and the tibiae are not as curved 

 as in oculatus, in this respect ioWowing militari s Har., haroldi also 

 has the lateral edge of the elytra flatter, sharper and more cari- 

 nate than octdatus. 



*Biol. Cent.-Amer., Coleopt., vi, p. 457. 



