Sayloria pottsi ( Saylor, 1946 ) Pacheco & Monné & Vaz-De & Ahrens, 2021

Pacheco, Thaynara L., Monné, Marcela L., Vaz-De, Fernando Z. & Ahrens, Dirk, 2021, Revision of type specimens of Astaena (Coleoptera: Scarabaeidae: Melolonthinae: Sericini) described by L. W. Saylor, European Journal of Taxonomy 750 (750), pp. 94-123 : 118-119

Sayloria pottsi ( Saylor, 1946) comb. nov.

Figs 6J–N , 7C

Astaena pottsi Saylor, 1946: 217 .

Astaena pottsi – Frey 1973: 339 (identification key). — Evans 2003: 27 (checklist). — Evans & Smith 2005: 12 (checklist); 2007: 12 (checklist); 2009: 12 (checklist).

Type material examined

Holotype PERU • ♀; “Peru / Vitoc, 1400 to 1800m x-6-40 / Coll. of Bob Potts / L.W. Saylor Collection / California Academy of Sciences Type nº 7916 / Holotype Astaena pottsi L.W. Saylor ”; CAS.

Paratypes PERU • 1 ♀; “Peru / Vitoc , 1400 to 1800m ix-22-40 / Coll. of Bob Potts / L.W. Saylor Collection / Collection of the California Academy of Sciences, San Francisco, California / Allotype Astaena pottsi L.W. Saylor / CASENT 8438229”; CAS • 1 ♂; “ Vitoc , 1400 to 1800m ix-13-40 / Coll. of Bob Potts / L.W. Saylor Collection / Paratype Astaena pottsi L.W. Saylor / Locality label should read Vitor, PERU / CASENT 8438221 ”; CAS • 1 ♀; “ Peru / Vitoc , 1400 to 1800m ix-3-40 / Coll. of Bob Potts / Paratype Astaena pottsi L.W. Saylor / Locality label should read Vitor, PERU / CASENT 8438222 ”; CAS .

Holotype redescription

MEASUREMENTS. Length: 11 mm. Width: 5 mm.

HEAD.Reddish-brown,surface with setae.Labroclypeus, shape of anterior margin straight, posteriorly with sparse punctation. Ocular canthus with terminal setae, ratio to eye: 1/4. Eyes, ratio diameter/interocular width: 0.7. Antennae with eight antennomeres; antennal club with three antennomeres; ratio antennal

club/remaining antennomeres: 1/1.5; ratio third vs fourth antennomere: 1/2; fourth antennomere, lateral projection absent; ratio fifth vs fourth antennomere: 1/5.

PRONOTUM AND ELYTRA. Surface of pronotum and elytra without setae. Pronotum unicolored, brownishorange, widest at middle, lateral margin weakly convex and not serrated, antero-lateral angle dorsoventrally not flattened, postero-lateral angle dorso-ventrally not flattened, punctation on disc sparse, setae of lateral margin sparse, median longitudinal excavation present. Scutellum, punctures absent medially. Elytra unicolored, brownish-orange, surface opaque, microsculpture absent, punctation on intervals present and dense, diameter of strial and interval punctation equal.

ABDOMEN. Lateral carina absent. Second visible ventrite without row of setae in medial region. Apical visible ventrite without suture to apical tergite.

LEGS. Ratio of length of metepisternum/metacoxa: 1/1.12. Metacoxa without longer lateral bristles, a laterally extended longitudinal shelf present. Metatibia, widest at apex, ratio of width/length: 1/3.88, dorsal margin not carinated, ventral margin not serrated, distal spines groups disposed at two thirds of metatibial length. First metatarsomere, ratio to dorsal metatibial spur: 1/3. Dorsal surface of tarsi glabrous, without punctures. Metatarsi, length of first protarsomere subequal to second and third combined, ventral margin setose. Protibia with three teeth. Protarsi, length of first protarsomere subequal to second and third combined, second protarsomere narrow, claws symmetrical, inner protarsal claw bifid, apex of basal tooth of inner protarsal claw acute.

AEDEAGUS. Fig. 6J–K .

Figures

Fig. 6. A–E. Sayloria abcora (Saylor, 1946), holotype, ♂ (Type No. 7905; CAS). – F–I. Astaena apolinarmaria Saylor, 1946, holotype, ♀ (Type No. 7906; CAS). – J–K. Sayloria pottsi (Saylor, 1946), paratype, ♂ (CAS). – L–N. S. pottsi, holotype, ♀ (Type No. 7916; CAS). A, J. Parameres, dorsal view. B, K. Aedeagus, lateral view. C, G, L. Labels. D, H, M. Habitus, dorsal view. E, I, N. Habitus, lateral view. F. Head and pronotum, dorsal view. Scale bars: A–B, F, J–K = 0.5 mm; D–E, H–I, M–N = 1 mm.

Fig. 7. Distribution of type localities of the South American Sericini species described by Saylor. A. Astaena abaca Saylor, 1946, A. biciliata Saylor, 1946, A. bogotana Saylor, 1946, A. excisipes Saylor, 1947, A. explaniceps Saylor, 1947, A. incachaca Saylor, 1946, A. maqueta Saylor, 1947, and A. nigrona Saylor, 1947. B. A. fusagona Saylor, 1946, A. pygidia Saylor, 1946, A. rugithorax Saylor, 1946, A. salta Saylor, 1946, A. yungasa Saylor, 1946, and A. zyrota Saylor, 1946. C. Sayloria abcora (Saylor, 1946) comb. nov., S. bicoloripes (Saylor, 1946) comb. nov., and S. pottsi (Saylor, 1946) comb. nov..