Serratitibia psylloboroides (Crotch) 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 : 83-84

62. Serratitibia psylloboroides (Crotch) , new combination

Hyperaspis psylloboroides Crotch, 1874: 218 ; Korschefsky 1931: 194; Gordon 1987: 27.

Description. Female holotype. Length 4.5 mm, width 3.6 mm; body elongate, oval, convex. Color yellow; pronotum with 7 dark brown spots, small, comma shaped spot laterally on each side, 5 closely separated spots forming M-shape basomedially; elytron with 4 irregular, long brown vittae, sutural and second vitta interrupted by yellow intrusion medially, outer vitta laterally indented with yellow medially ( Fig. 357 ); prosternum, meso–, metaventrites light brown, median 2/3 of abdominal ventrites 1–3 light brown. Head punctures small, separated by less than diameter, each puncture as large as 2 eye facets; pronotal punctures smaller than head punctures, separated by less than 2 times diameter; elytral punctures larger than on pronotum, separated by 1–3 times diameter. Clypeus deeply 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, basal margin without bordering line. Epipleuron wide, deeply grooved, deeply emarginate for reception of femoral apices. Protibia widely flanged, flange as wide as remainder of tibia, rounded, outer margin entirely serrate with small teeth, sponda extended slightly beyond protibial border. Carinae on prosternal process wide at apex, abruptly narrowed basally, joined 1/2 distance to prosternal base. Abdomen without primary pores laterally between ventrites 4–5; postcoxal line on basal abdominal ventrite straight in basal 1/3, straight along apical margin of ventrite at middle, then broadly arcuate forward; ventrites 1–3 sparsely pubescent, distinctly, sparsely punctured throughout; ventrites 1–6 densely punctured throughout. Genitalia with spermatheca long, slender, curved, ramus bulbous; bursal cap with 2 arms widened at apices, with trace of median arm, apical strut short, based in rounded “funnel” ( Fig. 358 ).

Male. Unknown. This species is known only from the female but is placed in Section II because it lacks abdominal pores and has a highly distinctive color pattern.

Variation. Unknown.

Type locality. Brazil, “N. Fribourg.”

Type depository. UMZC (holotype).

Geographical distribution. Brazil.

Specimens examined. 2. Brazil. “ N. Fribourg ” (the holotype); “Sud-Brasil.” ( UMZC) ( USNM) .

Remarks. This species has an unusual dorsal color rarely seen in Serratitibia , similar only to that of S. tortuosa . Nearly all members of the genus have a basic black on yellow or yellow on black spot pattern, not the strongly vittate pattern seen in these two species (see remarks under S. tortuosa ).

Figures

Figures 354–362. 354–356) Serratitibia ambigua. 354) Habitus. 355) Proleg. 356) Female genitalia. 357–358) Serratitibia psylloboroides. 357) Habitus. 358) Female genitalia. 359–362) Serratitibia joeli. 359) Habitus. 360) Phallobase, ventral. 361) Enlarged siphonal apex and complete sipho. 362) Female genitalia.