Cactophagus sunatoriorum Anderson

Anderson, Robert S., 2002, The Dryophthoridae of Costa Rica and Panama: Checklist with keys, new synonymy and descriptions of new species of Cactophagus, Mesocordylus, Metamasius and Rhodobaenus (Coleoptera; Curculionoidea), Zootaxa 80, pp. 1-94 : 42-44

Cactophagus sunatoriorum Anderson , new species

( Figs. 37­38 , 46­50 )

Identification.— Cactophagus sunatorium bears a great resemblance to C. personatus or C. rectistriatus but is clearly distinct based upon the lack of ventral pilosity on the rostrum (as in C. personatus ) by the more widely separated front coxae, and by the flat prosternum in males (tuberculate in males of C. rectistriatus ). Additionally, the humeri are orange in C. sunatoriorum whereas they are black in C. personatus and infuscate subbasally in C. rectistriatus . The elytral maculations do not distort the striae as in C. dragoni and C. ornatus and form a broader, more continuous arc ( Figs. 37­38 ).

Description.— Male, length, 12.2 mm; width, 5.6 mm. Female, length, 11.2­12.0 mm; width, 5.2­5.5 mm. Color black with humeri and basal portion of interval 10 yelloworange, with broad orange band extending from interval 10 at basal one­third in a slightly oblique manner to sutural interval at about midlength.

Rostrum subequal to length pronotum; elongate, cylindrical, moderately robust, evenly rather strongly curved, somewhat coarsely, irregularly punctate laterally at base, punctures much finer, sparser apically in male and throughout length in female; base of rostrum expanded in dorsal view at point of antennal insertion only; in lateral view more or less subequal in width throughout length, basal expanded area about one­third total rostral length. Rostrum glabrous ventrally; peduncle bilamellate, projected anteriorly and ventrally. Scrobe with posterior margin about 4 or 5 times width of base of scape from anterior margin of eyes. Antenna with scape slightly longer than length rostrum; club laterally compressed, elongate­oval; apical pilose part very slightly shorter than length basal glabrous part. Pronotum with lateral margins slightly convergent in basal two­thirds, convergent subapically, tubulate to apex; disc and flanks uniformly shallowly punctate throughout; with broad transverse subbasal impression at middle. Pronotum with length subequal to width. Elytra one and one­half times length of pronotum; intervals impunctate, flat; striae with moderately deep, widely spaced, small punctures. Scutellum large, “V” shaped, length slightly longer than width at base, concave at base. Pygidium rounded medially, not tumescent; coarsely deeply regularly punctate throughout; apex broadly subtruncate, with transverse row of longer setae. Ventrally with front coxae widely separated by slightly more than one­half width of coxa; prosternum flat between and anterior to front coxae. Meso­, metasternum and ventrite 1 irregularly sparsely punctate; ventrites 2 to 5 sparsely, finely punctate; last ventrite flat, glabrous, with shallow apical depression. Legs moderately long, moderately densely regularly punctate, especially on outer face of femora; femora slightly clavate, moderately long, hind femur reaching apex of pygidium; inner margins of middle and hind tibiae straight; all tibiae with very fine, uniformly short, stout, peglike setae throughout length arranged in pectinate manner. Tarsi with third article very widely dilated, pilose ventrally in apical two­thirds except for “v­shaped” basal area; all tarsi with third articles symmetrical; apical margin of third articles truncate, straight.

Material Examined.—Male HOLOTYPE labelled “Pan: Chiriqui Prov. / Cont'l Divide Trl. / 11­15.V.1999 / Morris & Wappes" (CMNC). Female ALLOTYPE labelled " Panama: Chir. Res. / For. La Fortuna, Cont. / Divide Tr., 7.20.1995 / C.W. & L.B. O'Brien" (CWOB). PARATYPE (1). PANAMA. CHIRIQUI PROVINCE. Continental Divide Trail, 12­14.V.1999 (1). Paratype in CMNC. There is also an additional specimen from Panama Province, Cerro Campana, 15.IV.1970, H. Hespenheide, from which the rostrum has been broken off.

Distribution.— Panama (Chiriqui, Panama).

Natural history.—Three of the four known specimens were collected in cloud forest in the La Fortuna area of Chiriqui province in Panama.

Derivation of specific name.—Through their support of the Nature Discovery Fund at the Canadian Museum of Nature, this species is named after the Sunatori family as a gift from Michèle Provencher.

Figures

FIGURES 33 - 38. Cactophagus species. 33 - 34. Cactophagus riesenorum Anderson. 33. Dorsal habitus. 34. Lateral habitus. 35 - 36. Cactophagus silron Anderson. 35. Dorsal habitus. 36. Lateral habitus. 37 - 38. Cactophagus sunatoriorum Anderson. 37. Dorsal habitus. 38. Lateral habitus.

FIGURES 46 ­ 50. Cactophagus sunatoriorum Anderson. 46. Lateral view of head, male. 47. Lateral view of head, female. 48. Antenna. 49. Hind leg, male. 50. Pygidium, male.