READING PUBLIC MUSEUM AND ART GALLERY

126 'l'HE TRIBE ONClDERINI
Moderately small, elongate-ovate, rather robust, above slightly depressed; dark
reddish-brown to fuseaus. Head with front broad, feebly transverse; genae verti­
cal; eye with lower lobe elongate-oblong, slightly exceeding genal height; antennal
tubercles well scparn.ted, robust, dentate at apex, less distinctly so in female. Pro­
Dotum traIlSVerse, cylindrical, apex slightly narrower than base; sides feebly arcu­
ate, unarmed. Scutellum strongly traIlEverse. Elytra attenuate to apices, which
are separately rounded; at b!ISC coarsely punetate, not grnnulate; humeri slightly
prominent, anterior margin rounded, oblique, angle with a SlIUl.11, projecting tubercle.
Prosternum... unarmed; .na. .r rol' mesosternnl process with sides nearly straight, apex
deepi
!
ema rginate, ost ret. Abdomen with fifth sternite broadly retuse at
.
;(,1
apcXlIl male, deeply emargmate In female. Legs short, robust; procoxne uncato or
tuberculate in male, tubcrculate in female; femora robust, clavate, profemora ru
gooe in male. Antennae one and one-half to nearly two times body length in male,
about one-third longer than body in female; scape short, not attaining middle of
pronotum, robust, gradually clavate, not rugose or grooved basally in either sex;
tllird, fourth, and fifth segments robust, especially in male, rest much more slender,
third segment feebly sinuate, one and one-half t.imes length of first.
GENOTl.'PE.-Glypthaga lignosa Thomson, by monotypy.
KEy TO SPECIES
E1ytra C!lch with veral white and brown vittae; abdomen gmyish-brown pubes­
cent, indistinctly streaked with fulvous and grayish, t\lld with small, indistinct,
whitish maculae laterally, fifth sternite broadly vittate laterally with pale
fulvous ........ .. . .. . . . . . . . . . . ................................ xylina.
Elytrs with a common elongate, triangular, brown macula, on disk irregularly vit­
tate with fulvous; abdomen dark brown medially, laterally vittate with pale
fulvolls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . lignosa.
Glypthaga lignosa Thomson
PLAT£ v, FIGURE 12.
Glypthaga Ugnosa Thomson, Physis, II, 1868, p. 55. Lacordaire, Gen. Col., IX,
1872, p. 673.
Very easily distinguished by the elongate, narrow, common,
triangular, brown area on the suture of the elytl'a.
MALI::. Elongate-ovnte, rather robust, above slightly depressed ; head and
pronotum dark reddish--brown or fUSCOllil, eJytra reddish-brown. Head, especiAlly
laterally, densely fulvous-white pubescent without marginal vittlle, indistinctly
vn.ricgnted and each side of middle maculate with white. Pronotum at middle
bro.,dly variegated with brown and rulvollS-whlte pubescence, usually the fanner
strongly predominating, ench side densely covered with fulvous--white and light ful­
vous tomentum. Scutclltlm thinly brown pubescent, medially vittate with fulvous­
white. Elytra largely whitish tomentosc, irregularly vittate with pale fulvous, on
suture a long, slender, triangular, common, brown macula, its apex e>..-tending to or
beyond apical qun.rter, its base slightly narrowed toward scutellum, lateral margin