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146 



KH YNCHOPH OK A . 



Rhodobaenus deltoides. (Tab. VII. figg. 16, 16 



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Sphenophorus sanguineus, Gyll., var. 8, in Schonh. Gen. Cure. viii. 2, p. 24-0 l . 

 Rhodobanus deltoides, Chevr. Ann. Soc. Ent. Fr. 1885, p. 279 2 . 

 Rhodobanus implicates, Chevr. loc. cit. (nee Gyll.) \ 



cf. Rostrum about as long as, or slightly longer than, the prothorax, abruptly deflexed and very little 

 curved from the broad basal portion, the apical portion stout, compressed, sparsely punctate towards the 

 base ; first ventral segment slightly depressed down the middle. 



2 . Rostrum with the apical portion considerably longer and almost smooth, the peduncle of the submentum 

 with a compressed angular prominence in front. 



Var. a. The humeral patch of the elytra obliquely coalescent with the dilated portion of the sutural 



stripe. 

 Var. j3. The sutural stripe of the elytra reduced to a narrow streak at the base and an oblong spot on each 



side of the suture, and the dilated portion into two spots. 

 Length 7-9f , breadth 2|-3| millim. 



Hab. Mexico 1_ ~ 3 (Flohr, Truqui, Mus. Brit.), Vera Cruz, Toxpam, Playa Vicente, 



* 



c 



Yolos (Salle) 



Jalap 



US. Nat. Mus 



Ag 



, Juquila, Tapachula (Edge), Santa Lucrecia 



) ; British Honduras (Blancaneaux) ; Guatemala 

 U.S. Nat. Mus.) ; Nicaragua, 



Chontales (Belt) 



Almoloya {Knab, in 

 Zapote [Champion), [ 



Costa Eica (coll. Fry). 



Sent in numbers from Tapachula, on the Pacific slope of Southern Mexico. 

 Amongst the numerous ferruginous, nigro-maculate forms, the present species may be 



guished by the excavate disc of the proth 



general arrangement of 



the black markin 



& 



those on the prothorax condensed into three vittse (one down th 



middle and one along each outer margin, these latter sometimes abbreviated 



or reduced to a short streak or spot), and those on 

 dilated, sutural stripe (which is frequently in 

 subhumeral spot, and a common, curved, apical 

 forwards along the sides to about 



elytra into a broad, submesially 

 pted beyond the middle), a 

 ubapical fascia, which extends 



specimens 



each side of the 



t the basal third. The sutural stripe in some 



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a short streak at the base and an oblong spot on 

 before the middle, in others it is more extended and obliquely 



sometimes reduced to 



confluent with the subhumeral spot 



46. Khodobasnus nigropictus, sp 



(Tab. VII. figg. 17, 17 a, 6 .) 



rufous 



form median vitta, a triangular patch on each side at the base, and a large space on the flanks, and the 

 latter with a triangular scutellar patch, a spot on the shoulder, an oblique, oval or rounded, patch near the 



suture before the middle and a spot in a line with it on the outer margin (these markings sometimes 

 coalescent), and an angulate apical fascia (sometimes reduced to one or two oblong spots on each elytron), 

 black ; the punctures each indicated by a faint whitish dot, the under surface densely cinereo-pruinose. 

 Rostrum not longer than the prothorax, strongly, abruptly incurved from the broad, sulcate, coarsely 

 punctate basal portion, the apical portion becoming much thicker towards the base, and smooth, bare and 

 shining towards the tip, the smoother portion in the $ slightly longer, without prominence at the apex 

 beneath. Antennal scape and funiculus subequal in length. Prothorax subconical, about as long as 

 broad, very feebly bisinuate at the base, finely punctate, flattened on the disc posteriorly. Scutellum long 









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