Serratitibia laura Gordon and Canepari, 2013

Gordon, Robert D., Canepari, Claudio & Hanley, Guy A., 2013, South American Coccinellidae (Coleoptera), Part XII: New name for Cyra Mulsant, review of Brachiacanthini genera, and systematic revision of Cleothera Mulsant, Hinda Mulsant and Serratitibia Gordon and Canepari, new genus, Insecta Mundi 2013 (278), pp. 1-150 : 30-31

6. Serratitibia laura Gordon and Canepari , new species

Description. Male holotype. Length 2.7 mm, width 2.2 mm; body oval, convex. Dorsal surface shiny, lacking alutaceous sculpture. Color yellow; pronotum with large, mediobasal black macula extended slightly more than 1/2 distance to anterior pronotal margin, anterior border of macula indented with yellow; elytron black with 5 yellow spots in rows of 2 each with single apical spot, mediolateral spot round, apical spot transversely oval ( Fig. 86 ); prosternum, meso–, metaventrites black; abdomen with basal 2 ventrites black, ventrites 3–6 reddish brown. Head punctures small, separated by less than diameter, each puncture as large as 1–2 eye facets; pronotal punctures equal in size to head punctures, separated by less than 2 times diameter; elytral punctures as large as on pronotum, separated by 1–3 times diameter; metaventral punctures larger than on elytra, separated by less than diameter medially, slightly larger laterally. Clypeus weakly emarginate apically, lateral angle abruptly rounded. Eye canthus about 6 eye facets long, angled forward, apically rounded, yellow. Pronotum narrowed from base to apex, basal angle broadly rounded, anterior angle abruptly rounded, lateral margin rounded, basal margin with faint trace of bordering line. Epipleuron narrow, deeply grooved, deeply emarginate for reception of femoral apices. Protibial flange as wide as remainder of protibia, outer margin weakly arcuate, with about 8 small, indistinct teeth, sponda extended beyond protibial border. Carinae on prosternal process narrowly separated at apex, convergent, joined at basal 1/8 of prosternum, connected to base by short stem. Metaventrite without setal tuft. Basal abdominal ventrite with sparse, median setal tuft. Abdomen with primary pores laterally between ventrites 4–5 small, extended under apical 1/4 of ventrite 4; postcoxal line on basal abdominal ventrite angled to posterior ventrite margin, rounded along margin, apex extended forward. Abdominal ventrites 1–4 with short, sparse pubescence, punctures on basal 3 ventrites large, separated by less than 2 times diameter medially, becoming smaller and dense laterally, ventrites 3– 5 densely punctured throughout; 5th ventrite depressed medially in apical 1/2, apical border weakly emarginate medially, lateral angle of emargination pronounced with small tubercle bearing tuft of dense setae; 6th ventrite narrow, deeply depressed medially, depression glabrous, without median tubercle, apical margin shallowly emarginate, angle on each side of emargination broadly rounded, bearing tuft of setae. Apical tergite short, narrow, apex feebly rounded, surface densely, finely punctured. Genitalia with basal lobe 3/4 length of paramere, sides weakly convergent, medially “pinched,” apex obliquely rounded; paramere Unm type, widened apically, apex rounded ( Fig. 87, 88 ); sipho robust, curved throughout, basal capsule with inner arm long, slender, widened apically, apex rounded, outer arm same width and length as inner arm, with accessory piece, basal border deeply emarginate ( Fig. 89, 90 ).

Female. Unknown.

Variation. Length 2.4–2.7 mm, width 2.0– 2.2 mm.

Type material. Holotype male; Peru, Monson Valley , Tingo Maria, IX-23-1954 ( CAS) . Paratypes; 2, 1, same data as holotype ( CAS) ; 1, Peru, Vic. Sani Beni, 890 m. a.s.l., VIII-3-1935, F. Woytkowski ( USNM) .

Remarks. This species has the common elytral pattern of pale spots on a dark background, as do many species of Serratitibia . It is distinguished by a combination of rounded parameral apex, lack of median tubercle on 6th abdominal ventrite, small primary pores between abdominal ventrites 4–5, and Peruvian type locality.

Figures

Figures 78–90. 78–85) Serratitibia ruth. 78) Habitus. 79) Phallobase ventral. 80) Sipho. 81–85) Serratitibia michelle. 81) Habitus. 82) Phallobase ventral. 83) Phallobase lateral. 84) Enlarged siphonal apex. 85) Sipho. 86– 90) Serratitibia laura. 86) Habitus. 87) Phallobase ventral. 88) Phallobase lateral. 89) Enlarged Siphonal apex. 90) Sipho.