178 LONGICORNIA. 
of distinction; and even this shades off almost imperceptibly from species to species. 
In Nyssodrys, however, the ovipositor is always long, projecting beyond the tip of the 
elytra. 
1. Atrypanius conspersus. (Tab. XIII. fig. 9.) - 
Lamia conspersa, Germar, Ins. Spec. Nov. p. 474". 
Atrypanius conspersus, Bates, Ann. & Mag. Nat. Hist. ser. 3, xiii. p. 477. 
Leiopus varipennis, Serville, Ann. Soc. Ent. Fr. 1835, p. 87°. 
Hab. Muxtco, Orizaba (Sallé) ; Guarmmaza, Zapote, San Juan (Champion); Nicaracva, 
Chontales (Belt ?, Janson).—Soutn America, Cayenne, Amazons, South Brazil !. 
2. Atrypanius sedatus. 
Nyssodrys sedata, Bates, Ann. & Mag. Nat. Hist. ser. 8, xiii. p. 150°. 
Hab. Mexico, Cordova (Sallé); Guatemaua, San Gerénimo (Champion); Nicaracua, — 
Chontales (Belt) ; Costa Rica (Rogers).—Souta America, Amazons}, 
In this and the following species the lower lobe of the eyes is rather less parallel-sided 
than in A. conspersus, although the lower end is truncated; but in two undescribed 
Brazilian species, very closely resembling A. sedatus, the eye is formed exactly as in the 
type of the genus. Nicaraguan specimens resemble those from the Amazons in their 
dark brown and tawny-brown colours; but a numerous series, taken by Mr. Champion 
at San Gerénimo, are much variegated with light grey and distinct tawny and blackish 
spots, approaching in this respect very remarkably A. conspersus. All the Mexican 
specimens, although similar to those of Nicaragua in colours, have a structural pecu- 
liarity in the apices of the elytra being so obliquely truncated that each elytron seems 
to terminate in a point. 
3. Atrypanius punctatellus. (Nyssodrys punctatella, Tab. XIII. fig. 15.) - 
Nyssodrys punctatella, Trans. Ent. Soc. 1872, p. 219°. 
Hab. Nicaragua, Chontales (Belt +1); Panama (Boucard). 
NYSSODRYS. 
Nyssodrys, Bates, Ann. & Mag. Nat. Hist. ser. 3, xii. p. 149. 
In addition to the characters enumerated in my original definition of this genus, may 
be now mentioned the broad pro- and mesosterna, and the short, generally obtuse and 
often obsolete lateral spine of the thorax, which is distant from the hind angle and not 
separated from it by a deep sinuation of the sides. The ovipositor of the female in all 
the numerous species projects, generally to a moderate degree, beyond the apex of the 
elytra. 
Nearly fifty species are known of this genus, which appears to be confined to the 
