LONGICORNIA. 265 
Var. I. segregatum. Angustius et sublineare ; elytris utrinque maculis parvis quinque fulvo-testaceis. (Tab. 
XVII. fig. 22.) 
Long. 63 lin. 9. 
Hab. Mexico (Sailé). 
11. Ibidion vanum. (Tab. XVIII. fig. 20.) 
Ibidion (Compsibidion) vanum, Thomson, Physis, i. 3, p. 151’. 
Hab. Guatemata, Pantaleon, El Tumbador (Champion).—Souta America, Venezuela, 
Cayenne !, 
Closely allied to I. histrionicum, Bates, and J. basale, White, and others, which form 
a group very closely allied to the J. tertile series. 
12. Ibidion hippopsioides. \ (Tab. XVIII. fig. 25.) 
Lineare, elongatum, parce fulvo-pubescens et breviter dense setosum, castaneo-rufum ; elytris utrinque vitta 
dorsali nigra lineisque sat elongatis eburneis duabus prima ante secunda post medium; tuberibus anten- 
niferis acuminatis; thorace anguste cylindrico, linea dorsali levi polita ; elytris apice conjunctim rotun- 
datis sublineatim punctatis utrinque indistincte bicostulatis; antennis sat longe et dense ciliatis, scapo 
minus elongato, curvato, crasso antice longitudinaliter foveato, articulis 3°-7™ linearibus, depressis carinatis 
(4° quam sequens paullulum breviori); prosterno inter coxas haud depresso sat angusto, femoribus 
subito clavatis, tibiis posticis haud carinatis. 
Long. 6 lin. o. 
Hab. Guatema.a, San Gerdénimo (Champion). 
The pale lines of the elytra lie just within the outer edge of the black vitta. 
13. Ibidion ignobile. (Tab. XVIII. fig. 24.) 
I. submaculato (Chevr.) affine. Minus elongatum, lineare, depressum, fuscum, pubescens, sparsim breviter 
setosum ; tuberibus antenniferis conicis; antennis quam corpus duplo longioribus ciliatis, scapo parum 
elongato, curvato sat crasso, articulis 3°-6™ linearibus, depressis, carinatis, 4° quam sequens paullo breviori ; 
thorace cylindrico, linea dorsali levi polita; elytris relative brevibus apice singulatim subacuminatis, dorso 
depresso sat confertim punctulato, immaculato; prosterno haud depresso; femoribus subito clavatis, tibiis 
posticis haud carinatis. 
Long. 53 lin. ¢. 
Hab. Guatemata, Cerro Zunil 4000 feet (Champion). 
Same group as J. hippopsioides and J. submaculatum, Chevr.(=*? 4-maculatum, Fabr.). 
One example only. 
14. Ibidion semirufum. 
Angustissimum, nitidum, subtiliter setosum, nigrum ; capite, thorace, pectore elytrisque tertio basali sanguineis, 
his utrinque lineola obliqua ante, fasciaque subrecta post medium, eburneis ; antennis tenuibus (rufis art. 
3°-6™ nigro-fuscis), articulis 3°-4™ paullulum robustioribus carinatis et subsulcatis, 4° quam 5” triente 
breviori; thorace cylindrico, elongato, nitido, levi; elytris apice conjunctim rotundatis, confuse punctatis ; 
prosterno et coxis sicut in Jbidtonis typicis; femoribus abrupte clavatis, tibiis posticis extus versus basin 
carinatis. 
Long. 44 lin. 
Hab. Mexico, Almolonga (Hége). 
BIOL. CENTR.-AMER., Coleopt., Vol. V., January 1885. 2m 
