16 RHYNCHOPHORA. 
8. Piazurus ciliatus. 
Pecilma ciliatum, Germ. Ins. Spec. Nov. p. 254°. 
Piazurus bidentatus, Gyll. in Schénh, Gen. Cure. iv. p. 655 *; villi. 2, p. 110°; Heller, Stett. ent. 
Zeit. 1906, p. 33%. 
Hab. Mexico (ex coll. Sturm).—Brazit!?°. 
A single worn specimen (@) in Sallé’s Mexican collection (labelled P. maculipes, 
Chevr., but not agreeing with Gyllenhal’s type of that insect) seems to be referable to 
this species. It is closely allied to P. maculipes, but has the prothorax and elytra 
more deeply sinuate at the base, and the third elytral interstice with a very large 
oblong tubercle near the anterior margin. The ventral segments have a broad, smoother, 
almost bare space down the middle; the first segment is deeply sulcate. The Mexican 
habitat requires confirmation. 
9. Piazurus pallidicinctus, sp.n. (Tab. I. fig. 29.) 
Subelliptic, black, the antenne and the tips of the tarsi obscure ferruginous; the head, the prothorax with 
the sides rather broadly, and four minute spots on its disc, the scutellum, the elytra with an irregular 
transverse post-median fascia, a transverse humeral patch, and various small scattered spots, the entire 
under surface (a broad space down the middle excepted), and legs, cinereous or fulvo-cinereous, the elytra 
also with a common, transverse, dense, velvety-black patch at the middle, the rest of the vestiture of the 
upper surface blackish-brown. Head densely, minutely punctate, the eyes subcontiguous; rostrum 
densely punctate and carinate at the base, and smooth thence to the tip; joint 2 of the funiculus nearly 
one-half longer than 3. Prothorax transverse, subconical ; densely, minutely punctate. LElytra very 
much wider than the prothorax, rounded-triangular, transversely depressed below the base, the humeri 
swollen, the apices rather sharp, obliquely truncate ; punctate-striate, the third and fourth striz sinuous, 
the seriate punctures rather coarse on the basal half, the interstices densely, minutely punctate, flat on 
the disc, 3 slightly widened at the middle. Beneath closely punctate, smoother down the middle; ventral 
segment | broadly sulcate, 5 sinuato-truncate, and also feebly foveate, at the apex. 
Length 93-103, breadth 5-51 millim. (<¢.) 
Hab. Panama, Bugaba, Volcan de Chiriqui (Champion). 
Four specimens. ‘The cinereous fascia of the elytra, preceded by a transverse 
velvety-black patch, and the cinereous sides of the prothorax, readily distinguish 
P. pallidicinctus. ‘There are no tubercles on the elytra; the third interstice, however, 
is widened at the middle. 
10. Piazurus sulphuriventris. (Tab. I. fig. 30.) 
Piazurus sulphuriventris, Heller, Stett. ent. Zeit. 1906, pp. 34, 39". 
Hab. Nicaracua (Sallé!), Chontales (Belt, Janson); Costa Rica, San José (Mus. 
Dresden); Panama, Volcan de Chiriqui (Champion). 
Twelve specimens, agreeing with the type communicated by Dr. Heller. This insect 
is very like P. stedlaris, Pasc., fom Sarayacu; but differs from it in having the elytra 
flattened on the disc (the third interstice neither swollen nor widened at the base and 
