Astaena rugithorax Saylor, 1946

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 : 108-109

publication ID

https://doi.org/ 10.5852/ejt.2021.750.1365

publication LSID

lsid:zoobank.org:pub:CE5D8517-AC04-4AF9-BD78-A2D6E21D33A8

DOI

https://doi.org/10.5281/zenodo.5493238

persistent identifier

https://treatment.plazi.org/id/038B976C-FF85-FFE1-CA18-CFDF1466CB9F

treatment provided by

Felipe

scientific name

Astaena rugithorax Saylor, 1946
status

 

Astaena rugithorax Saylor, 1946

Figs 4F–I View Fig , 7B View Fig

Astaena rugithorax Saylor, 1946: 222 .

Astaena rugithorax – Frey 1973: 364 (identification key). — Evans 2003: 28 (checklist). — Evans & Smith 2005: 13 (checklist); 2007: 13 (checklist); 2009: 13 (checklist).

Type material examined

Holotype COLOMBIA • ♀; “Colombia, S. A. / L.W. Saylor Collection / California Academy of Sciences Type nº 7918 / Holotype Astaena rugithorax L.W. Saylor ”; CAS.

Holotype redescription

MEASUREMENTS. Length: 14 mm. Width: 7 mm.

HEAD. Blackish-brown, surface with setae. Labroclypeus, shape of anterior margin straight, posteriorly with dense punctation. Ocular canthus without terminal setae, ratio to eye: 1/3. Ratio fifth vs fourth antennomere: 1/5.

PRONOTUM AND ELYTRA. Surface of pronotum and elytra without setae. Pronotum unicolored, blackishbrown, widest at middle, anterior marginal line present, posterior marginal line absent, lateral margin strong convex and serrated, antero-lateral angle dorso-ventrally flattened, postero-lateral angle dorsoventrally not flattened, punctation on disc dense, setae of lateral margin sparse, median longitudinal excavation absent. Scutellum, punctures absent medially. Elytra unicolored, blackish-brown, surface opaque, microsculpture absent, punctation on intervals present and sparse, 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. Metacoxa without longer lateral bristles, a laterally extended longitudinal shelf absent. Metatibia, widest at apex, distal spines groups disposed at half size of metatibial length. First metatarsomere, ratio to dorsal metatibial spur: 1/2. Dorsal surface of tarsi glabrous, without punctures. Metatarsi, length of first protarsomere subequal to second and third combined, ventral margin serrated and 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.

Male

Unknown.

CAS

USA, California, San Francisco, California Academy of Sciences

CAS

California Academy of Sciences

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Melolonthidae

Genus

Astaena

Loc

Astaena rugithorax Saylor, 1946

Pacheco, Thaynara L., Monné, Marcela L., Vaz-De, Fernando Z. & Ahrens, Dirk 2021
2021
Loc

Astaena rugithorax

Smith A. B. T. & Evans A. V. 2005: 13
Evans A. V. 2003: 28
Frey G. 1973: 364
1973
Loc

Astaena rugithorax Saylor, 1946: 222

Saylor L. W. 1946: 222
1946
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