48 RHYNCHOPHORA. 
1. Apion submetallicum. 
Apion submetallicum, Boh. in Schénh. Gen. Cure. v. p. 876°. 
Hab. Mexico 1. 
For the identification of this species an inspection of the type—which is in 
Chevrolat’s collection—is necessary. Having black legs and the antenne inserted at 
the base of the rostrum, I place it here. 
2. Apion spretissimum, sp. n. 
Minutum, breve, nigrum, opacum, parce minute albido-setosum; rostro brevi, antennis basi fuscescente ; 
prothorace brevi, sat fortiter et crebre punctato ; elytris sulcatis, interstitiis angustis vix planis. 
Long. 13 millim. absque rostro. 
Hab. Mexico, Teapa in February and March, Atoyac in April and May, Cuernavaca 
in June (Z/. H. Smith); GuaTeMaua, near the city, Aceituno (Champion) ; Nicaragua, 
Chontales (Janson) ; Panama, Volcan de Chiriqui, San Feliz (Champion). 
One of the smallest and most obscure species of the genus, and without any salient 
distinctive character. The rostrum is not very different in the two sexes, but in the 
male is a little shorter—not much longer than the thorax—and not so smooth and 
shining as in the female; it is curved and strongly deflexed. The eyes are scarcely at 
all prominent, the interval between them is rather narrow ; the antenne are inserted near 
the eyes, only about as far in front of them as the width of the interval between them. 
The thorax is rather strongly transverse, not much narrowed in front, feebly constricted 
in front of and behind the middle. The elytra are short, much broader than the thorax, 
deeply sulcate, with narrow interstices. There are no distinct white sete round the 
eyes, and none on the sides or front angles of the breast. 
This minute insect is probably the most abundant of the genus in our region; a good 
series was found at Teapa, at Chontales, and on the Volcan de Chiriqui. 
3. Apion preeditum, sp. n. 
Minutum, minus breve, nigrum, opacum, parce, minute griseo-setosum ; rostro mediocri, antennis basi fusces- 
cente ; prothorace subtransverso, antrorsum angustato, obsolete sed haud subtiliter punctato ; elytris sat 
profunde sulcatis, interstitiis subplanis. 
Long. 14 millim. absque rostro. 
Mas abdomine segmento ultimo ventrali apice impresso, ante impressionem dense griseo-squamoso, squamulis 
ad angulum utrinque prominulis. 
Hab. GuateMaua, Aceituno, Dueiias (Champion), Coban (Conradt). 
This insect is very similar to A. spretissimum, but will be readily distinguished by the 
peculiar male structure at the extremity of the hind body ; it has, too, the rostrum rather 
longer—its length in the female being equal to that of the head and thorax; the form is 
narrower, and the hairs or scales of the upper surface are not of so pure a white colour. 
The eyes are slightly prominent. The rostrum in the female is slender-cylindrical, and 
