Blackburneus xanthus
Creators: name: Dellacasa, Marco
name: Dellacasa, Giovanni
name: Gordon, Robert D.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Aphodiidae
Blackburneus
Blackburneus xanthus

description: Blackburneus xanthus (Bates, 1887)   
(Fig. 150-154)  
 Aphodius xanthus Bates, 1887: 90; Blackwelder 1944: 212.   
 Aphodius (Blackburneus) xanthus; Schmidt 1913: 138; Dellacasa 1988: 216.   
 Blackburneus xanthus; Dellacasa et al. 2002: 206; Skelley et al. 2007: 2.   
 Typelocality. Bugaba, Panama.   
 Type repository. Natural History Museum, London (type examined).   
 Redescription. Length 3.0- 3.5 mm; oblong, convex, shiny, glabrous. Testaceous, elytralsuture darkened; legs testaceous; antennal club pale testaceous. Head with epistome convex, superficially microreticulate, finely and somewhat irregularly punctured; clypeus feebly sinuate at middle, obtusely round at sides, very thinly bordered, edge glabrous, slightly upturned anteriorly; genae round, shortly and sparsely ciliate, not protruding from the eyes; frontal suture distinctly impressed; front irregularly and sparsely punctured. Pronotum transverse, convex, dually and sparsely punctured, nearly parallelsided; lateral margins feebly arcuate, very thinly bordered, edge glabrous; hind angles obtusely round; base feebly bisinuate. Scutellum triangularly elongate, faintly microreticulate, sparsely punctured. Elytra oval-elongate; finely striate; striae distinctly punctured, subcrenulate; interstriae flat, laterally superficially microreticulate, smooth at middle, very finely and sparsely punctured. Hind tibiae superior apical spur slightly shorter than first tarsal segment; latter nearly as long as following three segments combined. Male: metasternal plate distinctly grooved; aedeagus Fig. 152-153. Female: metasternal plate nearly flat.   
 Material examined. COSTA RICA: Prov. Puntarenas, Palmar Sur, United Fruit Co., 5.VIII.1964, leg. R. E. Woodruff (black light trap) (2 exx., FSCA); HONDURAS: Tegucigalpa, 1-12.XII.1917, leg. J. Dyer (1 ex., USNM); PANAMA: Chiriqui: Chiriquicito, 16.V.1996, leg. R. Turnbow (mv+bl) (2 exx., FSCA; 7 exx., RHTC); Chiriqui, Dolega, 25.VI.1964, leg. A. Broce (2 exx., DCGI); Chiriqui, Dolequita, 25.VII.1964, leg. A. Broce (4 exx., DCGI); Chiriqui: Elvira Farm, 15.VII.1964, leg. A. Broce (1 ex., DCGI); Prov. Chiriqui, Rovira, 2200 ft., 4.VII.1964, leg. A. B. Broce (3 exx., DCGI; 9 exx., FSCA); idem, 7.VII.1964 (1 ex., FSCA); idem, 9.VII.1964 (1 ex., FSCA); idem, 19.VII.1964 (1 ex., FSCA); 0.3 Km W El Llano, 12.V.1996, leg. R. Turnbow (1 ex., RHTC); La Chorrera, 14.V.1912, leg. A. Busek (1 ex., USNM); Panamá Prov., Cerro Campana, 11-15.V.1980, leg. E. G. Riley & D. LeDoux (2 exx., FSCA); Puerto Armuelles, 12- 19.VII.1982, leg. A. Castillo (Malaise trap) (1 ex. DCGI; 3 exx., FSCA).
description: Published as part of Dellacasa, Marco, Dellacasa, Giovanni & Gordon, Robert D., 2011, Systematic revision of the American taxa belonging to the genera Alloblackburneus Bordat, 2009, and Blackburneus Schmidt, 1913, with description of seven new species (Coleoptera: Scarabaeidae: Aphodiinae), pp. 1-52 in Insecta Mundi 2011 (204) on pages 33-34, DOI: 10.5281/zenodo.10090539