Platycrus laotanus, Szawaryn & Ślipiński, 2022

Szawaryn, Karol & Ślipiński, Adam, 2022, Platycrus-a remarkable new genus of the tribe Platynaspini (Coleoptera Coccinellidae) from Laos, Zootaxa 5190 (4), pp. 584-590 : 587-589

Platycrus laotanus sp. nov.

( Figs 1–3 )

urn:lsid:zoobank.org:act:EBA7061E-CE03-4489-881D-60CC925F0D59

Etymology. Specific epithet derived from the name of Laos, country of origin.

Type material. Holotype. ♂ “ LAO, Phongsaly prov., 21º41.2’N 102º6.8’E, 28.v-20.vi.2003, PHONGSALY env., ~ 1500 m Pacholàtko leg.”; “Collection Naturhistorishes Museum Basel”; “Ba-0119”; “gen. nov. A. Ślipiński” ( NHMB).

Diagnosis. As for the genus.

Description. TL = 5.71 mm; TW = 4.51 mm; TL/TW = 1.27; PL/PW = 0.44; EL/EW = 1.04; PW/EW = 0.73. Head, mouthparts, legs, ventral side yellow. Pronotum ( Fig. 1A–C ) yellow with large black central macula. Elytra black with three round yellow maculae on each elytron, arranged in two rows as 2–1 ( Fig. 1A ). Prosternum covered with large, round punctae each bearing a single seta on its lateral side; meso and metaventrite covered with small setiferous punctae.

Male terminalia and genitalia. Apophysis of sternite IX with broadened basal and apical parts. Tergite X transverse ( Fig. 3J ). Tegmen with penis guide in inner view ( Fig. 3K ) with sides rounded, broadened in median part, apically rounded; in lateral view ( Fig. 3L ) upturned apically; slightly shorter than parameres. Parameres broad, subparallel, broadly rounded apically, with distinct apical pore on each paramere ( Fig. 3M ); apices covered with dense and long setae. Tegminal strut simple, longer than basal piece and penis guide combined. Penis capsule large ( Fig. 3I ), with outer arm well developed, inner arm short; penis simple, rod-like, apically divided, with membranous apex.

Female unknown.

Figures

FIGURE 1. Platycrus laotanus gen. et sp. nov. A) habitus, dorsal; B) habitus, frontal; C) habitus, lateral.

FIGURE 2. Platycrus laotanus gen. et sp. nov. SEM illustrations.A) head, ventral; B) prosternum; C) abdomen; D) prothorax, ventral, meso- and metaventrite; E) mid leg; F) apex of hind leg.

FIGURE 3. Platycrus laotanus gen. et sp. nov. A) maxilla; B) labium; C) antenna; D) abdomen; E) tergite VIII; F) ventrite 6; G) hind leg; H) apical part of hind leg; I) penis, lateral; J) abdominal segments IX and X; K) tegmen, inner; L) tegmen, lateral; M) apex of paramera with visible excretory pore.