Serratitibia modesta (Weise) Gordon, Robert D., Canepari, Claudio & Hanley, Guy A., 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 : 52-53

27. Serratitibia modesta (Weise) , new combination

Hinda modesta Weise, 1910: 59 ; Korschefsky 1931: 177; Blackwelder 1945: 446; Almeida and Milléo 2000: 77.

Description. Male. Length 2.6 mm, width 2.1 mm; body rounded, convex. Dorsal surface shiny, without alutaceous sculpture. Color yellow; pronotum with small, black, basomedial macula with apex deeply emarginate medially; elytron black with 5 large, yellow spots arranged in rows of 2 each with apical spot, mediolateral spot round, apical spot transversely rectangular ( Fig. 202 ); venter of head, prosternum reddish brown, meso–, metaventrites black, abdomen yellowish brown. Head punctures small, separated by less than diameter, each puncture as large as 3 eye facets; pronotal punctures smaller than head punctures, separated by about diameter or less, elytral punctures larger than on pronotum, separated by 1–3 times diameter, metaventrite punctures smaller than elytral punctures medially, separated by diameter or more, becoming larger and contiguous laterally. Clypeus weakly emarginate apically, lateral angle abruptly rounded. Eye canthus short, about 4 eye facets long, angled forward, apically rounded, yellow. Pronotum narrowed from base to apex, basal and anterior angles abrupt, lateral margin weakly rounded, basal margin without trace of bordering line. Epipleuron narrow, grooved, deeply emarginate for reception of femoral apices. Protibial flange as wide as remainder of tibia, flange arcuate, outer margin serrate with 8–10 small teeth from base to apex, sponda prominent, outer margin arcuate, extended above protibial border. Carinae on prosternal process narrowly separated at apex, parallel, joined at basal 1/6, with short stem extended to basal margin of prosternum. Metaventrite without setal tuft. Basal abdominal ventrite with median setal tuft. Abdomen with primary pores laterally between ventrites 4–5 small, extended under apical 1/4 of ventrite; postcoxal line on basal abdominal ventrite straight in basal 1/3, flattened along apical margin of ventrite, then broadly, arcuately forward. Abdominal ventrites 1–4 with short, sparse pubescence, punctures on basal 3 ventrites coarse, separated by less than 2 times diameter medially, becoming smaller, dense laterally; 5th ventrite depressed medially in apical 1/2, apical margin deeply emarginate medially, lateral angle of depression pronounced with small tubercle bearing tuft of dense setae, surface densely punctate except depressed area nearly glabrous; 6th ventrite short, narrow, apical margin deeply emarginate, without median tubercle, angle on each side of depression pronounced, abrupt, with setal tuft. Apical tergite nearly impunctate, grooved, apex feebly emarginate. Genitalia with basal lobe nearly as long as paramere, wide, sides convergent from base to obliquely truncate apex; paramere Unm type, wide, widened apically, apex obliquely truncate ( Fig. 203 ); sipho robust, curved in basal 1/2, basal capsule large, inner arm long, slender, apex obliquely truncate, outer arm wide, slightly longer than inner arm, with large accessory piece, basal border deeply emarginate ( Fig. 204, 205 ).

Female. Similar to male except basomedial pronotal macula large, extended nearly to anterior pronotal margin, apex entire, elytron without humeral spot. Genitalia with spermatheca short, wide, curved medially, cornu slightly enlarged; bursal cap rounded, with 3 arms, inner arm faint, apical strut short, apical 1/3 triangularly widened in lateral view ( Fig. 206 ).

Variation. Length 2.3–3.0 mm, width 1.7–2.5 mm. Female pronotum with apex of basomedial macula sometimes weakly emarginate with yellow, elytral spots subject to slight change in size and shape.

Type locality. Brazil, Itapura, Sao Paulo.

Type depository. ZMHB (lectotype designated by Almeida et al. 2007).

Geographical distribution. Bolivia, Brazil, Surinam.

Specimens examined. 110. Bolivia. Mapiri (paralectotypes) . Brazil. Amazonas , Manaus ; Amazonas, Reserva Ducke , 27 mi. N. Manaus ; Chapada ; Para, Monte Alegre ; Oriximina, Est do Para ; Santarem ; Sao Paulo, Canterieira ; Sao Paulo, Pindamonhangaba ; Taperina . Surinam. Kwakoegron , Saramacca R. ( BMNH) ( CAS) ( CMNH) ( DZUP) ( USNM) ( ZMHB) .

Remarks. Distinguished primarily by the male paramere having an obliquely truncate apex, this species is very similar to S. decemsignata , but the latter does not have a median setal tuft on the basal abdominal ventrite. Many specimens of this species were available for study, the majority of these from Santarem, Brazil, in the CMNH collection.

Figures

Figures 190–206. 190–195) Seratitibia janice. 190) Habitus. 191) Protibia. 192)Phallobase ventral. 193) Phallobase lateral. 194) Enlarged siphonal apex. 195) Sipho. 196–201) Serratitibia decemsignata. 196) Habitus. 197) Protibia. 198) Phallobase ventral. 199) Phallobase lateral. 200) Enlarged siphonal apex. 201) Sipho. 202–206) Serratitibia modesta. 202) Habitus. 203) Phallobase ventral. 204) Enlarged siphonal apex. 205) Enlarged siphonal apex. 206) Female genitalia.