LONGICORNIA. 331 
organs in the male being more than twice the length of the body and attenuated 
towards the apex, in the female two thirds the length of the body, thickened towards 
the apex, and having a small conical and acute false joint at the apex of the eleventh ; 
the inner apical angles of joints 4-11 are produced and acute in the female of both 
species. 
ZEGOIDUS (to follow the genus Basiptera, p. 88). 
Aiigoidus, Buquet, Rev. Zool. 1838, p. 253; Lacordaire, Gen. Col. ix. p. 197. 
Phedinus (partim), Dupont, Suppl. to Monogr. Trachyderides in Guér. Mag. Zool. Ins. 1840, p. 5, 
t. 31. 
Three species have been referred to this genus, found in the northern regions of 
South America. 
1. Aagoidus debauvei. 
Phedinus debauvei, Guérin, Rev. Zool. 1838, p. 287; Dupont, Suppl. to Monogr. Trachyderides 
in Guér. Mag. Zool. Ins. 1840, p. 5, t. 31’. 
Trachyderes venustus, Newman, Proc. Zool. Soc. 1840, p. 3%. 
Hab. Panama (Boucard).—Sovutn America, Venezuela, British Guiana ! 2. 
One female example from Panama, agreeing well with Dupont’s figure. 
2. Aigoidus calligrammus. 
Elongato-oblongus, subcylindricus, castaneo-fuscus; elytris castaneo-rufis, fasciis tribus flavis, viz. 1* basali, 
scutellum attingente, postice flexuosa, 2* mediana, angustiori, paullo obliqua et arcuata, suturam longe haud 
attingente, 34que apicali, lata nec suturam nec angulum suturalem apicalem attingente; thorace utroque sexu 
confertim grosse confluenter punctato, dorso tuberculis elevatis quinque nitidis, lateribus tuberculo mediano 
conico et antice angulato vix tuberculato, prope basin constricto; scutello valde elongato, sparsim subtiliter 
punctulato, concavo; elytris apice valde flexuosis et extus dentatis, dorso subtiliter disperse punctulatis. 
Long. 8-12 lin. 3 @. 
Hab. Panama (Boucard). 
The sexes do not differ in the form and sculpture of the thorax. 
DENDROBLAS (p. 88). 
Dendrobias mandibularis (p. 88). 
To the synonymy, add :—Var. D. basalis, Dupont, Suppl. to Monogr. Trachyderides in Guér. Mag. 
Zool. Ins. 1840, p. 6, t. 33°. 
To the localities given, add :—Mexico, Northern Sonora (Morrison), Alamos (Buchan- 
Hepburn), Ventanas, Presidio (Forrer), Mexico city, Bobo (Hége), Oaxaca, Puebla 
(Sallé); British Honpvuras, Rio Hondo (Blancaneaux); GuaTeMaLa, El Reposo 
(Champion).—CotomB1, Bogota’. 
Of the rare variety, D. basalis, Herr Hoge brought home one example from Bobo, 
Mexico. 
2u3 
