. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Species o/Curculionidse/wm Africa. 379 the hind pair with four ; the tarsi with joint 2 transverse and not longer than 3. Length 7-9 mm., breadth 2,5-3*5 mm. Cape Province : Willowmore {Dr. H. Brauns). Described from ten specimens. The genotype, E. thoracicus, Per., is readily distinguished by the two remarkable tufted prominences on the pronotnm (especially developed in the (J), the angular lateral dilatation near the apex of the rostrum in the $, and by the elongate 2nd tars
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Species o/Curculionidse/wm Africa. 379 the hind pair with four ; the tarsi with joint 2 transverse and not longer than 3. Length 7-9 mm., breadth 2,5-3*5 mm. Cape Province : Willowmore {Dr. H. Brauns). Described from ten specimens. The genotype, E. thoracicus, Per., is readily distinguished by the two remarkable tufted prominences on the pronotnm (especially developed in the (J), the angular lateral dilatation near the apex of the rostrum in the $, and by the elongate 2nd tarsal joint, which is longer than the 3rd *. The very brief description of Timus simplex, Per. {loc. cit.), would almost apply to E. latifrons, but the former species is stated to have a small orbital ridge above the eye and a lateral stripe of dense white scales on the elytra. Fiff. Enicoderus latifrons, sp. n. The male genitalia of E. latifrons are shown in text-fig. 1, with the accessory parts, in the position of rest. On the extreme right is the divided 6th ventrite, corresponding to the 8th tergite ; behind and above this is the irregular bifid plate from which arises the spiculum, a stout chitinised invagination of the membrane which lies beneath the genital tube, but with its free end curved round on to the dorsal surface, thus forming an effective support for the tube. The strongly chitinised median lobe, with its bluntly pointed apical spatula and two long curved posterior struts, is quite of the normal Brachyderine type, forming a closed tube ; the sac projects a short distance behind the tube and is lined almost throughout with minute, closely set asperities ; the tegmen forms a very narrow circular ring, the dorsal portion of which is produced forwards into a very slightly chitinised bifid process. * It may be noted that in this species tlie rostrum was described as bearing- five carina?, but the supposed median carina is really a Please note that these im
Size: 2762px × 905px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
