78 RHYNCHOPHORA. 
69. Apion rugirostre, sp. n. 
Gracile, nigrum, supra subsenescens, tenuiter setosum, antennarum basi pedibusque flavis ; rostro brevi, densis- 
sime subtiliter rugoso; prothorace subcylindrico, obsolete punctato. 
Long. 12 millim. 
Hab. Mexico, Acaguizotla in October, Atoyac in May, Teapa in January (ZZ. #7. 
Smith); GuateMALA, Aceituno, Zapote, San Gerdénimo (Champion); Panama, Volcan 
de Chiriqui, Taboga Island (Champion). 
Head elongate and narrow; eyes but little prominent, widely separated; rostrum 
but little longer than the head, thick, very densely and finely sculptured and minutely 
setose ; antenne inserted slightly behind the middle. Thorax slender, straight at the 
sides, indistinctly punctured. Elytra finely and moderately deeply sulcate. Under 
surface densely punctured ; the setosity very minute, scarcely so distinct as on the upper 
surface. Middle coxe contiguous. Legs pale yellow, the trochanters of the same 
colour; the middle and hind coxe infuscate. Hind margin of the first ventral segment 
slightly incrassate on each side of the middle; the suture between it and the second 
segment angulate or produced a little forwards at the spot where the incrassation is 
interrupted. 
This little Apton may be identified by the short, densely sculptured rostrum, the 
contiguous middle cox, and the peculiar abdominal structure. I have not detected 
any certain means of distinguishing the sexes ; some examples, however, seem to have 
the ventral peculiarities less developed than in others, and it is possible these may be 
of the female sex. We have received fourteen examples of 4. rugirostre. 
70. Apion auctum, sp. n. 
Gracile, nigrum, supra subsnescens, tenuiter setosum, fere opacum, antennarum basi pedibusque flavis; rostro 
parum elongato, densissime subtiliter rugoso ; prothorace conico-cylindrico, crebre sat fortiter punctato. 
Long. 2 millim. 
Hab. Mexico, Orizaba in December (f. D. Godman & H. H. Smith), Cuernavaca in 
June, Chilpancingo in July (. A. Smith); Guaremaua, Aceituno (Champion). 
This insect is extremely similar to 4. rugirostre, but it is a little larger, and has 
the rostrum slightly longer, especially in the female ; the trochanters are dark in colour ; 
and the suture between the first and second ventral segments is simple. 
We have received about twelve examples of this species from Mexico, but only one 
from Guatemala. 
71. Apion nodicorne, sp.n. (Tab. III. figg. 18, ¢; 18a, profile of head, ¢.) 
Angustum, nigrum, griseo-setosum, ad suturam pone scutellum albido-signatum, antennis pedibusque rufo-testa- 
ceis; rostro sat elongato, cylindrico, gracili, anterius attenuato, ad basin incrassato; antennarum articulis 
duobus basalibus brevibus, nodosis. 
Long. 2-27 millim. 
