24 Trans. Acad. Sci. of St. Louis. 
proximate well behind the middle; lobes of the ligula rounded, sepa- 
rate, coriaceous, their basal parts corneous as usual; mentum large, 
trapezoidal, obliquely tumid at each side, coriaceous in less than apical 
half; prothorax oblong, larger than in Gastrolobium; elytra parallel, 
generally longer and wider than the prothorax; abdomen as wide as the 
elytra or nearly so; legs moderately long and slender, the tibiae not 
strongly spiculose, the hind tarsi rather long, with the basal joint much 
longer than the second but not as long as the next two combined and 
but little longer than the fifth. Male without modification of the sub- 
basal ventrals. Temperate North America,............+..Hesperobinm 
Antennal joints compressed and constricted at base; elytral suture not 
beaded. Body stout, parallel, moderately convex, finely and densely 
punctured; head well developed, as in Hesperobium throughout, except 
that the median emargination of the labrum is larger, deeper and trian- 
gular in form; submembranous lobes of the ligula shorter, more diverg- 
ing and quadrate; mentum very much shorter and more transverse, 
unimpressed, with only the anterior margin coriaceous, the dividing line 
being broadly sinuous; gular sutures, neck, prothorax and elytra simi- 
lar; abdomen as wide as the elytra, parallel, the segments similarly 
feebly impressed at base; legs much more elongate, moderately stout, | 
the basal joint of the hind tarsi as long as the next two combined and 
much longer than the fifth. Southeastern Europe..... *Homoeotarsus 
6 — Elytral suture not beaded, the surface not at all impressed along the 
suture; pleural fold beginning well behind the humeri and not extending 
to the hind angles; legs moderate in length, rather stout, the tibiae 
with numerous spicules among the setae; hind tarsi nearly as in Hespe- 
robium; prothorax oblong, the elytra longer and wider as in the preced- 
ing genera; abdomen rather narrower than the elytra, the segments not 
impressed; pronotum shining, with rather coarse, circular and very 
shallow punctures separated by about their own widths, each puncture 
composed of a small central ring bearing a hair, the ring surrounded by 
a circle of minute punctules; elytra dull in luster but wholly sculpture- 
less, finely, closely, irregularly punctured, each puncture consisting of 
an aggregation of minute polished punctules; abdomen finely, not 
densely punctulate, the surface micro-reticulate. Brazil.-*Eucryptina 
Elytral suture strongly beaded, the surface broadly impressed along the 
beading; pleural fold beginning at basal third or fourth and extending 
to about apical fourth of the elytra; punctures throughout sparse, 
simple and impressed, those of the elytra very coarse; head narrow and 
elongate, the sides feebly, evenly arcuate and strongly converging behind 
the eyes to the neck, which is less than half as wide as the head, the 
basal angles obsolete; eyes normal; front not greatly reduced in width; 
basal joint of the antennae very elongate; labrum rectilinearly and 
transversely truncate, edentate, with a small parabolic median sinus 
wider than deep; mandibles long, evenly arcuate, very slender and ex- 
tremely gradually and finely aciculate toward tip, having within two 
large acutely pointed teeth near the middle, the inner margin thence to 
the base with a narrow membranous margin which is fimbriate with 
short setae; membranous lobes of the ligula narrow, diverging, some- 
what pointed; mentum short, coriaceous only along the anterior mar- 
