Dilatitibialis phyllis Canepari and Gordon, 2013

Canepari, Claudio, Gordon, Robert D. & Hanley, Guy A., 2013, South American Coccinellidae (Coleoptera), Part XV: systematic revision of Dilatitibialis Duverger (Coccidulinae; Hyperaspidini), Insecta Mundi 2013 (312), pp. 1-91 : 13-14

4. Dilatitibialis phyllis Canepari and Gordon , new species

Description. Male holotype. Length 2.7 mm, width 2.3 mm; body rounded, slightly elongate, convex. Dorsal surface mostly shiny, lacking alutaceous sculpture except head weakly alutaceous. Color yellow; pronotum with irregular, black basal border, border deeply emarginate with yellow medially, 2 pale brown, triangular spots present; elytron vittate with large black stripes extended nearly to apex, apically joined, 1 vitta widened medially, 1 median vitta slightly narrowed basally and apically ( Fig. 17 ); ventral surface black except mouthparts, antenna, prothoracic hypomeron, mesepimeron, and legs yellow; abdomen black except ventrites 5-6 dark yellowish brown. Head punctures small, separated by about a diameter, slightly larger than an eye facet; pronotal punctures slightly larger than head punctures, separated by a diameter or less; elytral punctures slightly larger than on pronotum, separated by 1 to 3 times a diameter; metaventral punctures sparse, smaller than on elytron medially, becoming larger than elytral punctures laterally, separated by less than a diameter. Clypeus apically emarginate, lateral angle rounded, surface with sparse, long pubescence. Eye canthus about 4 eye facets long, strongly angled forward, apically rounded, yellow. Pronotum narrowed from base to apex, basal and anterior angles abrupt, lateral margin weakly rounded, basal margin without bordering line. Epipleuron narrow, grooved, deeply emarginate for reception of femoral apices. Protibia strongly flanged, flange wider than remainder of protibia, outer margin rounded, smooth, sponda distinct, extended slightly beyond protibial flange. Carinae on prosternal process narrowly separated at apex, convergent toward base, joined at basal 1/6 with single carina extended to basal margin of prosternum. Metaventrite without setal tuft. Basal abdominal ventrite with small, sparse setal tuft. Abdomen with primary pores laterally between ventrites 4-5 large, extended under apical 1/3 of ventrite 4; postcoxal line on basal abdominal ventrite rounded, extended to apical margin of ventrite at middle, slightly flattened along margin, then broadly forward, ventrite with sparse, short pubescence and sparse punctures medially; ventrites 2-4 sparsely pubescent throughout, punctures small, sparse medially, becoming denser toward lateral margin; 5th ventrite depressed medially in apical 1/2, patch of long pubescence at apex, without tubercle on each side of middle, apical margin broadly emarginate, surface sparsely punctate; 6th ventrite short, narrow, depressed medially, apical margin broadly, deeply emarginate, sparsely pubescent on each side of median depression, surface densely punctured. Apical tergite coarsely, densely punctured, pubescent. Genitalia with basal lobe slightly shorter than paramere, asymmetrical, weakly narrowed from base to oblique apex; paramere Unm, straight, apex rounded ( Fig. 18, 19 ); sipho robust, strongly curved in basal 1/2, basal capsule large, inner arm short, narrow, angled forward, narrowed from base to apex, outer arm wider, longer than inner arm, with accessory piece, basal border broadly emarginate ( Fig. 20, 21 ).

Female. Unknown.

Variation. Length 2.6 to 3.4 mm, width 2.0 to 2.7 mm.

Type material. Holotype male; Ecuador, Pichincha Prov., 15 km E. Sto. Domingo, Trinalandia , 23.II.1981, day, 70m, H. F. Howden. ( USNM) . Paratypes; 3, 1, same data as holotype ( USNM) ; 1, Ecuador, Pich., 47km SE Sto Domingo, Rio Palenque Sta. , 11.22-28.1976, 300m, J. M. Campbell ( CNC) ; 1, Ecuador, Pichilinque, 1-X’44, EJ Hambleton ( USNM) .

Remarks. Dilatitibialis phyllis and D. cindy share a similar dorsal color pattern, but differ in other ways, see remarks under the latter species. This species is named for Phyllis, a niece of Claudio Canepari .

Figures

Figures 17-32. 17-21) Dilatitibialis phyllis. 17) Habitus. 18) Phallobase ventral. 19) Phallobase lateral. 20) Sipho. 21) Enlarged siphonal apex. 22-26) Dilatitibialis cindy. 22) Habitus. 23) Phallobase ventral. 24) Phallobase lateral. 25) Sipho. 26) Enlarged siphonal apex. 27-32) Dilatitibialis norma. 27) Habitus. 28) Phallobase ventral. 29) Phallobase lateral. 30) Enlarged siphonal apex. 31) Sipho. 32) Female genitalia.