1911] Hypera and Phytonomus in America 45; 



■Original description: Gyllenhal, 1813, p. 113. 



"41. R. posticus: niger, parum cinereo-pubcsccns, anleuis, tibiis. 

 clytroruniquc apice ferrugineis, rostro breviusculo, tkorace brevi depresso, 

 pectorc albido-squamoso. 



"Curculio haemorrhoidalis Herbst, Col. (i. 266. 235, 'Pal' 80, f. 4. 

 "Curculio bimaculatus Marsham. Ent. Brit. 1. 2(i(i. 86. 

 "Habitat in pratorum collibus passim. 

 " Descr. Praecedenti (trifolii which is pracc. to plantaginis) similli 



nuts, and pro ejus varielale dctrila facile habendus, sed paullo major 

 pracscrtini longior: rostrum brcvius, clytrorum apex ferrugineis, el 

 squamulae pectoris nou-meialtico nitenles. Caput and oculi ut in prae- 

 cedenti ( par-cunt rotundatum nigrum puuctulalum, cincrco-pubesccus oculis 

 ovalis depresses bruuneis); rostrum thoracefere brevius, crassiusculum, 

 arcuatum nigrum punctulalum glabrum. Antenna ut in priori it a pile 

 cum rostra longiores, crassiuscules jerrugineac, clava cincrco pubescente). 

 Thoracis structura etjam ut in Mo (latitudine multo breviore, basi apiccque 

 truncatus, lateribits valderttndato-dilatatus), supra de presseus, niger, 

 margiur antico supra rufo-picco, confcrlissime ct paullo profundius 

 pttnclatus, pilis squamulisquc cincrcis, versus later a deusioribus, adsper- 

 sns. Elytra thoracis basi dimidii latiora, and Mo fere quintuplo longiora, 

 apice compressa, subatlcntuate, supra convexa, nigro-picea apicem versus 

 plus mimus rufo-fcrrigunca, sat profunde (p. 114) punclato-striata, pilis 

 squamulisquc cincrcis parcius adspersus. Corpus subtus nigrum, crc- 

 berrime punctulatum, tcnue cinereo-pubcsccns. ano piceo: pectus pubc 

 squamulisquc ciucrcio-albdis, non metallico-nitenlibus, tectum. Pedes 

 ut in praecedenti (mediocres cinerco-pubesceutes) femoribtts nigro-piccis, 

 tibiis tarsisque ferrugineis." 



The parts in parentheses I have quoted from the previous species 

 to which he refers in the description. 



Adult: ( Plate XXXI, figs. 5-8). Length 3-5.1 mm. Width 1-2.4 mm. 

 These measurements are the extreme from over 1000 specimens. 



Reddish-black, brown, brownish-black, or black; legs and antenna' 

 always paler; scales cleft about two-thirds of the length, color of pube- 

 scence varying from ash-gray to dark brown. 



Head with numerous fine punctures, densely covered with pale or 

 gray-brown hairs ; front never as wide as beak, scarcely as wide as an eye; 

 eyes transverse oval, narrower below, slightly prominent; beak about 

 two-thirds length of prothorax, narrowed close to eyes, hairy especially 

 beneath and at tip; with a small smooth dorsal keel about one-half the 

 length, followed by a broad smooth triangular dorsal portion that is 

 pointed or nearly so at the tip ; a deep narrow longitudinal groove on the 

 base of the wide portion; long narrow punctured stria? on each side 

 beneath the dorsal edge reaching at least three-quarters of the distance 

 to the tip; anlennal groove deep, narrow, punctured, black; antennae 

 reddish yellow to dark-brown, scape reaching to eyes, shorter than funicle ; 

 second joint two-thirds to three-fifths the length of the first; seventh 

 joint as broad as long; club oval, pointed, densely pubescent; mandibles 

 punctured, hairy. Male antennae inserted near the middle of the groove, 

 female nearer the apex of the beak. 



