Serratitibia decemsignata (Mulsant) 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 : 50-52

26. Serratitibia decemsignata (Mulsant) , new combination

Cleothera decem-signata Mulsant, 1850: 607 ; Mulsant 1853: 84. Cleothera 10-signata: Brèthes 1925a: 203

Hyperaspis decemsignata: Korschefsky 1931: 187 ; Blackwelder 1945: 446; Gordon 1987: 28.

Description. Male paralectotype. Length 2.8 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. 196 ); 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 1–2 eye facets; pronotal punctures smaller than head punctures, separated by about diameter, 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 about 6 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. Protibia widely flanged, flange rounded, outer margin serrate with about 8 large teeth, sponda prominent, outer margin arcuate, extended above protibial border ( Fig. 197 ). Carinae on prosternal process widely separated at apex, convergent basally, joined before base with short stem extended to basal margin of prosternum. Metaventrite without setal tuft. Basal abdominal ventrite without 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 straight in basal 1/3, curved along apical margin of ventrite, then broadly arcuate 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 shorter than paramere, narrowed from base to rounded apex; paramere Unm type, wide, widened apically, apex obliquely truncate ( Fig. 198, 199 ); sipho robust, curved in basal 1/2, basal capsule large, inner arm short, robust, dorsally truncate, outer arm wide, slightly longer than inner arm, with large accessory piece, basal border deeply emarginate ( Fig. 200, 201 ).

Female. Unknown.

Variation. Length 2.5–2.8 mm, width 2.0– 2.1 mm.

Type locality. “Cayenna, Banon” ( French Guiana).

Type depository. MNHL (lectotype here designated).

Geographical distribution. French Guiana.

Specimens examined. 3. French Guiana. lectotype ; “Cayenne,” paralectotype. Surinam. Paramaribo, April 1951, on citrus, Collector F. J. Simmonds. ( BMNH) ( MNHL) ( USNM) .

Remarks. Serratitibia decemsignata is distinguished by lack of a setal tuft on the basal abdominal ventrite, and male genitalia with apex of paramere obliquely truncate, joining S. decemsignata with the very similar S. modesta in a small group of species sharing a similar paramere (see comments under S. modesta ).

Mulsant (1850) had specimens from the Dejean, Buquet, and Paris Museum collections. He specifically indicated the Dejean specimen as the type. This specimen (lacking an abdomen) labeled “Cayenna, Banon” is here designated the lectotype, and the male BMNH specimen labeled “ Syntype (blue bor- dered disc)/Cayenne (green disc)/5171 (blue disc)/Decemsignata. Dej. Muls. Cayenne D. Leprieur (green paper)/Named by Mulsant.” is designated a paralectotype.

The description above was drawn from the paralectotype.

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.