90 LONGICORNIA. 
Guiana succinctus the tibia are unicolorous tawny yellow like the abdomen. With 
regard to the distinction of 7. subpilosus from T. elegans, it is almost exclusively 
one of colouring; and some specimens approach the tawny hue, with black borders to 
the white fascia of the elytra, which distinguishes 7. elegans. 
8. Trachyderes elegans. | 
Trachyderes elegans, Dupont, Mag. Zool. 1836, Monogr. des Trachyd. p. 30, t. 154. £. 1°. 
Hab. Mexico, Jalapa (Hoge). 
4. Trachyderes interruptus. 
Trachyderes interruptus, Dupont, loc. cit. p. 38, t. 158. f. 2; Bates, Trans. Ent. Soc. 1872, p. 195’. 
Hab. Nicaracva, Chontales (Belt)'—Sourn America, Ecuador. 
This is probably a variety only, in which the white fascia is reduced in size and 
broken into two transverse spots on each elytron. The variation in the elytral belt 
apparently occurs in both 7. succinctus and subpilosus, the Nicaraguan specimen having 
the narrow scutellum of 7. pilosus; whilst a South-American specimen I have seen has 
a scutellum rather broader at the base and resembling 7’. succinctus. 
5. Trachyderes hilaris. (Tab. VI. fig. 13.) 
T. eleganti affinis, at differt elytris fasciis duabus (altera basali altera mediana) maculaque apicali flavis ; rufo- 
vel fusco-castaneus, antennis articulis 4°-6™ basi, 10° et 11° toto fulvis ; thorace culmine transverso haud 
recto, leviter curvato; scutello ut in 7. succincto basi latiore; pedibus flavis, femoribus apice et tibiis 
tarsisque posticis toto fusco-castaneis. 
Long. 9 lin. 
Hab. Costa Rica (Van Patten) ; Sourn America, Ecuador. 
In its variegated elytra and in size resembling T. signatus of South Brazil, but differing 
totally from that species in the form of the thorax, which is not essentially different 
from that of 7. succinctus and immediate allies, the central transverse ridge only being 
more curved (with the concavity towards the head). A specimen taken by Buckley 
in Ecuador differs in no essential point from a Costa-Rican example in Mr. Godman’s 
collection. iy | 
LISSONOTUS. 
Lissonotus, Dalman in Schoénherr, Syn. Insect. 1. in. p. 864. 
Eighteen species of this distinct and highly characteristic Tropical-American genus 
have been recorded. It is more strictly tropical than Trachyderes, no species having 
been yet found as far south as the Argentine territory, where Trachyderes is well 
represented. The only Central-American species is the following :— 
1. Lissonotus multifasciatus. 
Lissonotus multifasciatus, Dupont, Mag. Zool. 1886, Monogr. des Trachyd. p. 10, t. 143. f. 37. 
Lissonotus flavocinctus (Dupont), Bates, Trans. Ent. Soc. 1872, p. 234. 
