Dilatitibialis semicincta (Weise) Canepari, Claudio, Gordon, Robert D. & Hanley, Guy A., 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 : 10-11

1. Dilatitibialis semicincta (Weise) , new combination

Cleothera semicincta Weise, 1899: 270 .

Hyperaspis semicincta: Korschefsky 1931: 195 ; Blackwelder 1945: 448.

Cleothera semicincta var. humeralis Weise 1899: 270 .

Hyperaspis semicincta ab. humeralis: Korschefsky 1931: 195; Blackwelder 1945: 448.

Cleothera semicincta var. limbata Weise 1899: 270 .

Hyperaspis semicincta ab. limbata: Korschefsky 1931: 195; Blackwelder 1945: 448.

Cleothera staudingeri Weise, 1901: 284 . (NEW SYNONYM).

Hyperaspis staudingeri: Korschefsky 1931: 197 ; Blackwelder 1945: 448.

Description. Male. Length 4.0 mm, width 3.0 mm; body rounded, convex. Dorsal surface shiny, lacking alutaceous sculpture. Color yellow except pronotum with large, dark brown, basomedian macula, apex of macula indented with yellow; elytron narrowly bordered with dark brown ring, except anterolateral angle narrowly yellow ( Fig. 1 ); ventral surface with head, prosternum, meso- and metaventrites dark brown except 6th ventrite and apical tergite pale reddish yellow. Head punctures small, separated by a diameter or less, as large as an eye facet; pronotal punctures slightly larger than head punctures, separated by less than to twice a diameter; elytral punctures larger than on pronotum, separated by 1 to 3 times a diameter; metaventral punctures much larger than on elytron, separated by a diameter or less medially, becoming larger and contiguous toward lateral margin. Clypeus apically emarginate, lateral angle rounded, surface with sparse, long pubescence. Eye canthus about 6 eye facets long, slightly angled forward, apically rounded, yellow. Pronotum narrowed from base to apex, basal and anterior angles abrupt, lateral margin feebly rounded, basal margin without bordering line. Epipleuron narrow, grooved, deeply emarginate for reception of femoral apices. Protibia widely flanged, flange wider than remainder of protibia, outer margin rounded, smooth, sponda represented by diagonal ridge across flange ( Fig. 2 ). Carinae on prosternal process widely separated at apex, narrowed toward base, joined at basal 1/4 with single carina extended to basal margin of prosternum. Metaventrite with sparse setal tuft. Basal abdominal ventrite with sparse setal tuft. Abdomen with primary pores laterally between ventrites 4-5 small, slightly indenting apical margin of 4th ventrite; 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, long pubescence and dense, sparse punctures medially; ventrites 2-4 sparsely pubescent throughout, punctures small, sparse medially, becoming dense toward lateral margin; 5th ventrite slightly depressed medially at apex, sparse patch of long pubescence on each side of median depression, without tubercle on each side of middle, apical margin broadly emarginate, surface densely punctate; 6th ventrite short, narrow, depressed medially, apical margin broadly emarginate, sparsely pubescent on each side of median depression, surface densely punctured. Apical tergite coarsely, densely punctured, pubescent, posterolateral angle abrupt, lateral 1/6 smooth, without punctures or pubescence. Genitalia with basal lobe slightly shorter than paramere, slightly asymmetrical, slender, narrowed from base to rounded apex; paramere Pvl, curved upward in apical 1/2, broadly lobed ventrally, apex with short, acute projection ( Fig. 3, 4 ); sipho robust, strongly curved in basal 1/2, basal capsule large, inner arm long, narrow, apically rounded, outer arm wider than inner arm, slightly longer than inner arm, with large accessory piece, basal border deeply emarginate ( Fig. 5, 6 ).

Female. Similar to male except head and pronotum entirely dark brown. Genitalia with spermathecal capsule long, slender, cornu gradually widened; bursal cap widely oval, with 2 distinct outer arms and trace of 3rd median arm, apical strut long, spatulate at apex in lateral view ( Fig. 7 ).

Variation. Length 3.0 to 4.0 mm, width 2.5 to 3.0 mm. Mediobasal brown spot on male pronotum variable in shape, sometimes reduced to small basal border ( C. staudingeri ); elytron with dark border sometimes reduced to narrow line, or entirely absent ( C. staudingeri ); legs sometimes with femora and base of tibiae brown in females.

Type locality. Of semicincta , Peru, Callanga (lectotype here designated) ; of staudingeri , Peru, Vilcanota (lectotype here designated) .

Type depository. Of both semicincta and staudingeri, ZMHB.

Geographical distribution. Bolivia, Peru.

Specimens examined. 78. Bolivia. Bolivia, no data; Longo(sic). Peru. Callanga; Chanchamayo; Cusco, 80 km N. Calca; Cusco, Paucartambo, Kosnipata Bosque Nublado Reserve; Cusco, San Pedro Manu; Monson Valley, Tingo Maria; Satipo; Vilcanota. ( CAS) ( GGC) ( MKRB) ( UNMSM) ( USNM) ( ZMHB).

Remarks. This species is recognizable by its distinctive color pattern, in spite of some variation. Male genitalia are also highly distinctive.

The lectotype of D. semicincta is a male in the ZMHB labeled “Callanga Peru (green paper, handwritten)/ Cleothera semicincta m (handwritten)/ex coll. J. Weise.” A second type specimen, bearing the same labels except the handwritten name, is designated a paralectotype. Cleothera semicincta var. humeralis is just a slight variation of the typical form, the lectotype male and 4 paralectotypes bear the same labels as the series of Cleothera semicincta except the lectotype with a name label “ var. humerata (handwritten).” Cleothera semicincta var. limbata - is also just a slight variation of the typical form, the lectotype male is labeled “Callanga Peru (green paper, handwritten)/ var. limbata (handwritten)/ex. coll. J. Weise,” and 2 paralectotypes are labeled “Longo (sic.) Bolivia (green paper, handwritten)/ex. coll. J. Weise,” one paralectotype is labeled “ Bolivia Drake (green paper, hand written)/ Bolivia (handwritten)/ex. coll. J. Weise.” Cleothera staudingeri Weise is a distinctive variation of typical D. semicincta , but male genitalia are identical, therefore we place the former as a junior synonym of the latter. A male syntype in the ZMHB collection labeled “Vilcanota Peru (green label, handwritten)/ex. Coll. J. Weise/Var. A.” is designated the lectotype of C. staudingeri . In addition, there are 4 other specimens in the series labeled “ SYNTYPUS ”, bearing the same labels, these are designated as paralectotypes.

Figures

Figures 1-16. 1-7) Dilatitibialis semicincta. 1) Habitus. 2) Protibia. 3) Phallobase ventral. 4) Phallobase lateral. 5) Enlarged siphonal apex. 6) Sipho. 7) Female genitalia. 8-12) Dilatitibialis lois. 8) habitus. 9) Phallobase ventral. 10) Phallobase lateral. 11) Enlarged siphonal apex. 12) Sipho. 13-16) Dilatitibialis tina. 13) Habitus. 14) Phallobase ventral. 15) Phallobase lateral. 16) Female genitalia.