Cyrea mcclarini, Szawaryn & Czerwiński, 2022

Szawaryn, Karol & Czerwiński, Tomasz, 2022, New Coccinellidae (Coleoptera, Coccinelloidea) from Napo Province in Ecuador, European Journal of Taxonomy 845, pp. 30-65 : 32-35

Cyrea mcclarini sp. nov.

urn:lsid:zoobank.org:act:C81AA272-39BD-446F-802E-F3B318BF3BDB

Figs 1–2

Diagnosis

Cyrea mcclarini sp. nov. has a distinctive dorsal elytral pattern rarely found in ladybird beetles, with a turquoise colored maculae in living specimens ( Fig. 1D–E ) by which it may be easily recognized. In dried specimens the turquoise color disappears and the maculae become yellow ( Fig. 1A–C ). However, the unique double C pattern on each elytron ( Fig. 1B, D ) distinguish this species from all other known species. Males have parameres unmodified, which places this species in the tredecimguttata group as defined by Canepari et al. (2016). Males can be separated by the following characters: presence of distinct, small, subtriangular projections on the posterior margin of ventrite 6 ( Fig. 2B ), large angulate projections on the posterior margin of tergite X ( Fig. 2G ), penis guide with truncate apex ( Fig. 2L ), tip of penis with spine like projections on both sides ( Fig. 2J ), and peculiar shape of inner sclerites in the apical part of penis ( Fig. 2I–J ). Females can be distinguished by distinctly shaped additional sclerites in the bursa copulatrix and a large rounded projection on the ventral surface of bursa ( Fig. 2D–E ).

Etymology

This species is dedicated to Jim McClarin from Consanga, Napo, Ecuador, who kindly provided images of living specimens.

Type material

Holotype ECUADOR • ♂; “ Napo prov., Cosanga vic., Yanayacu Station , 2000–2200m, 00°35′S / 77°53′W, 17 XII 2009, leg. R. Ruta”; MNHW.

Paratypes ECUADOR • 2 ♂♂; “ Napo prov. Data same as for the holotype ”; MNHW • 4 ♂♂, 2 ♀♀; “ Cosanga, Yanayacu , collecting along the road, 25 XI 2009, leg. R. Ruta”; MNHW • 2 ♂♂; same collection data as for preceding; MIZ • 2 ♂♂; “ Cosanga vic., Antisana trail, Yanayacu , 2 XII 2009, leg. R. Ruta”; MNHW • 1 ♂; “ Cosanga, Yanayacu road, 2 XII 2009, leg. R. Ruta”; MNHW • 1 ♂; “ Cosanga vic., Yanayacu Station , steam trail, 2000–2200m, 00°35′S / 77°53′W, 27 XI 2009, leg. R. Ruta”; MNHW • 3 ♂♂, 1 ♀; “ Cosanga vic., Yanayacu St.-Rio Aliso road, 2000–2200m, 00°35′S / 77°53′W, 30 XI 2009, leg. L. Borowiec ”; MNHW • 1 ♀; same collection data as for preceding; MIZ • 2 ♂♂, 2 ♀♀; “ Cosanga vic., Yanayacu Biol. Station , 2000–2200m, 00°35′S / 77°53′W, 23 XI-17 XII 2009, leg. L. Borowiec ”; MNHW • 1 ♂; “ Cosanga vic., near river 1900 m, 00°34′42.3′′S / 77°51′59.3′′W, 25 XI 2009, leg. L. Borowiec ”; MNHW • 1 ♂; “ Cosanga, Yanayacu 5 km rd. collecting along the road, 25 XI 2009, leg. L. Borowiec ”; MNHW .

Description

BODY. Length 5.00 mm; TL/EW = 1.25; PL/PW = 0.50; EL/EW = 1.00. Body oval ( Fig. 1A, D ), convex ( Fig. 1B ), winged; head black with turquoise frons and vertex in male and frons in female ( Fig. 1E ), pronotum black with three turquoise spots: one longitudinally elongate placed medially and two rounded on pronotal anterior corners, in males all spots fused with yellow anterior pronotal margin, in females separate ( Fig. 1E ); elytra black with five maculae on each elytron (2+2+1): humeral, anteromedian and discal spots oval, lateral and posterior spots C-shaped ( Fig. 1B, D ); ventrally ( Fig. 1F ) anterior part of hypomera turquoise; antennae, legs except coxae and abdomen reddish-brown; hypomera except anterior part, prosternum, meso- and metaventrite, coxae and epipleura black; mouthparts infuscate; mesepimeron in male turquoise. In death, turquoise color disappears and turns yellow. Dorsum glabrous, with single size punctures. Punctures on elytra less coarse than on head and pronotum. Head with microreticulation between punctures.

HEAD. Head partially covered by pronotum dorsally ( Fig. 1E ); ventral antennal grooves distinct, straight along eye margin. Eyes prominent, finely facetted, dorsally with inner orbits arcuate; ocular canthus present, as long as 4–5 ommatidium diameters; interocular distance about 0.50 × as wide as head across eyes; interfacetal setae absent. Antenna short, 0.35 × as long as head capsule width, composed of 11 antennomeres; scape simple, without projections; pedicel narrower than scape, barrel-shaped, about 1.20 × as long as wide; antennomere 3 about 1.20 × as long as pedicel. Antennal club consisting of three antennomeres, elongate, slender; antennomere 9 and 10, subequal in length; antennomere 11 elongate, obliquely truncate apically. Anterior clypeal margin straight. Labrum truncate at apex. Mandible bidentate at apex. Maxillary cardo transverse with outer angle reaching slightly outside of mouth cavity; terminal palpomere securiform, truncate obliquely. Submentum transverse; mentum sub-trapezoidal with anterolateral lobes projecting forwards, anterior edge strongly emarginate, ventral surface with lateral grooves along edges; prementum transverse; labial palps separated by distance about equal to width of palpomere; apical palpomere as long as penultimate one. Gula with distinct pore.

PROTHORAX. Pronotum with anterior corners rounded, obtuse ( Fig. 1C ); anterior, lateral and hind margins without bordering line. Prothoracic hypomeron smooth; notosternal suture distinct; prosternal process slightly widened apically, apex truncate; without carinae. Prosternum in front of coxa about 0.70 × as long as coxal longitudinal diameter at same position, its surface coarsely punctate, anterior margin with complete border; procoxal cavity elongate with bordering line, with lateral slit.

PTEROTHORAX. Mesoventrite with anterior edge margined with complete raised border; mesoventral process at median width of coxa about 0.80 as broad as corresponding coxal diameter; meso-metaventral articulation with suture visible; junction straight. Scutellar shield pentagonal; surface punctate and glabrous. Elytra with sides rounded; lateral margins narrow, partially visible from above from base to half its length; humeral angles slightly projected; elytral epipleuron wide, about 3.0 × as wide as corresponding metaepisternum, reaching base of ventrite 3, obtuse apically, inner margin with bordering line straight and fading before base of elytron; with foveae for reception of femora. Metaventrite with discrimen long but incomplete anteriorly; metaventral postcoxal lines joined at middle, roundly recurved and reaching lateral edge of metaventrite; metaventrite coarsely punctate on lateral sides; metepimeron indistinct.

LEGS. Legs with trochanters angulate; protibia narrow, outer margin smooth; tibial apices without spurs; tarsi with four tarsomeres, third very small; tarsal claws in both sexes bifid, inner tooth subquadrate; empodium absent.

ABDOMEN. Abdomen with six ventrites in both sexes ( Fig. 2A–B ), in male projections of tergite X also partially visible ( Fig. 2G ); ventrite 1, 2.0 × as long as ventrite 2, ventrite 2–4 subequal in length; abdominal postcoxal lines separate medially, incomplete, posteriorly reaching hind margin of ventrite 1 and recurved; hind margin of ventrite 5 in male widely emarginate ( Fig. 2B ), in female straight ( Fig. 2A ); male ventrite 6 truncate apically with distinct subtriangular lateral projections densely covered with hairs; male tergite VIII truncate apically ( Fig. 2C ); female ventrite 6 and tergite VIII rounded ( Fig. 2A ). In both sexes ventrite 6 with lateral pockets for accommodation of bent tergite VIII, lateral margins of tergite VIII partially covers ventrite 6. Entire surface of abdomen setose, central part of ventrite 1 with tuft of longer hairs.

MALE TERMINALIA AND GENITALIA. Sternite IX ( Fig. 2G ) with additional sclerite at base of apodeme subtrapezoidal, with small, lateral lobes; apodeme rod-like, arcuate; tergite X transverse, well sclerotized, with large subtriangular projections on posterior surface, projections visible externally. Tegmen in inner view ( Fig. 2L ) with penis guide asymmetrical, broad, obliquely truncate apically; parameres ( Fig. 2K ), well developed, wide oval, rounded apically, about 1.25 × as long as penis guide, with fringe of dense, long setae on apices and edges; tegminal strut widened apically. Penis capsule ( Fig. 2H ) with inner arm short, outer arm well developed, expanded; penis of equal diameter along entire length, slightly widened on a tip; penis tip slightly curved outwardly, apex partially membranous with additional sclerites ( Fig. 2I ), lateral spine like projections present ( Fig. 2J ).

FEMALE GENITALIA. Sperm duct uniform in diameter, short, shorter than spermatheca; infundibulum absent; spermatheca C-shaped, vermiform, with bulbous apex, without clear nodulus and ramus, spermathecal accessory gland present (not shown). Apical part of bursa sclerotized forming almost semi rounded disc with oval hole present in apical part, lateral margins more heavily sclerotized, darker, median suture visible ( Fig. 2D ), additional sclerotized strut broad and distinctly rounded apically ( Fig. 2E ). Coxites broad, angled at apex; apical margins with row of short, stout setae; styli reduced, bearing two long setae ( Fig. 2F ). Proctiger transverse with hind edge emarginate, covered with long hairs ( Fig. 2D ).

Figures

Fig. 1. Habitus of Cyrea mcclarini sp. nov. A. Paratype (MIZ), ♂, dorsal view. B. Paratype (MIZ), ♂, lateral view. C. Paratype (MIZ), ♂, frontal view. D. Living specimen, dorsal view. E. Living specimens (left = female; right = male). F. Living specimen, ventral view. Photos: D–F = Jim McClarin.

Fig. 2. Cyrea mcclarini sp. nov. A. Paratype (MIZ), ♀, abdomen. B. Holotype (MNHW), ♂, abdomen. C. Holotype (MNHW), ♂, tergite VIII. D. Paratype (MIZ), ♀, genitalia, ventral view. E. Paratype (MIZ), ♀, genitalia, lateral view. F. Paratype (MIZ), coxites apices, ventral view. G. Holotype (MNHW), ♂, segments IX and X, dorsal. H. Holotype (MNHW), penis, lateral. I. Holotype (MNHW), penis tip, lateral. J. Holotype (MNHW), penis tip, inner. K. Holotype (MNHW), tegmen, lateral view. L. Holotype (MNHW), tegmen, inner view.