Gonaphodioides chapini ( Hinton, 1934 ) Dellacasa & Dellacasa & Gordon, 2012

Dellacasa, Marco, Dellacasa, Giovanni & Gordon, Robert D., 2012, Systematic revision of Gonaphodiellus taxa, with description of two new genera and fourteen new species (Coleoptera: Scarabaeidae: Aphodiinae), Insecta Mundi 2012 (230), pp. 1-41 : 17-18

Gonaphodioides chapini ( Hinton, 1934) new combination

( Fig. 73-77 )

Aphodius chapini Hinton, 1934: 189 ; Blackwelder 1944: 212.

Aphodius ataenioides Hinton, 1938: 123 ; Blackwelder 1944: 212 (new synonymy).

Aphodius (Blackburneus) ataenioides ; Dellacasa 1988: 229.

Aphodius (Blackburneus) chapini ; Dellacasa 1988: 351.

Aphodius (Blackburneus) castanescens Petrovitz, 1973: 145 ; Dellacasa 1988: 233 (new synonymy).

Gonaphodiellus (s. l.) chapini ; Skelley et al. 2007: 4.

Type locality. Porto Bello [Puerto Bello, Panama].

Type repository. United States National Museum, Washington, DC, U.S.A. (type examined).

Redescription. Length 4.0-4.5 mm; oblong, moderately convex, shiny, glabrous. Chestnut brown; clypeal margin, pronotal sides and elytral apex somewhat paler; legs chestnut brown; antennal club yellowish. Head with epistome feebly convex on disc, superficially microreticulate, almost evenly subregularly coarsely punctured; punctation distally confusedly superficial, somewhat sparser on disc; clypeus angulately sinuate at middle, obtusely round at sides, very finely bordered, edge slightly upturned, glabrous; genae obtusely round, not ciliate; faintly protruding from the eyes; frontal suture finely impressed, front evenly, coarsely, regularly, not closely punctured throughout. Pronotum transverse, moderately convex, evenly, almost coarsely, almost regularly, not closely punctured; punctation somewhat sparser on disc; lateral margins feebly arcuate, finely bordered, edge glabrous; hind angles obtusely truncate; truncation slightly inwardly sinuate; base bisinuate, more or less strongly crenulate by a contiguous belt of coarse punctures. Scutellum elongate, almost smooth, distinctly striolate along lateral margins. Elytra oval elongate, moderately convex, not denticulate at shoulder; on disc, striae fine, superficially punctured, faintly crenulate; on preapical declivity, striae superficial, wider and not crenulate; on disc, interstriae convex, smooth, very shiny and with extremely fine sparse punctures; preapically, interstriae almost flat, superficially microreticulate, weakly shiny and more distinctly punctured. Hind tibiae upper spur shorter than first tarsal segment; first tarsal segment as long as following three segments combined. Male: aedeagus Fig. 76-77 . Female: fore tibiae spur relatively more slender, elongate and somewhat outward curved.

Material examined. BRAZIL: Acre, Nueva York (1 ex., male, type of Aphodius (Blackburneus) castanescens Petrovitz, 1973 , MHNG) . COSTA RICA: Alajuela, Penas Blancas , IX-X.1986, leg. E. Cruz, M.T. (1 ex., DCGI) ; Cartago, Turrialba , 28.II.1980, leg. Howden H. & A. (37 exx., CNCI) ; idem, 06.VI.1951, leg. Cartwright O. L. (1 ex., USNM) ; idem, m 650, 26.II.1980, leg. Howden H. & A. (5 exx., CNCI, DCGI) ; idem, 26.II.1980, leg. Howden H. & A., dung mega trap, Florencia sur woods (1 ex. CNCI) ; idem, m 600, 19-21.V.1979, leg. Howden H. & A., CATI (33 exx., CNCI) ; Heredia Pr., La Selva, nr. P.to Viejo , m 50, 19.II.1980, leg. Howden H. & A. (12 exx., CNCI) ; Limon P., Valle de la Estrella Pandora, 14.II.1984, leg. Howden H. & A. (1 ex., CNCI) ; Punt., Monteverde , m 140, 24.V.1979, leg. Howden H. & A. (8 exx., CNCI) ; Puntarenas Prov., Rincon de Osa , 10-15.VIII.1966, leg. Peck B. (1 ex., CNCI) ; San José P., 2 Km S Colon, m 1100, 01-16.II.1984, leg. Howden H. & A. (1 ex., CNCI) . ECUADOR: Pich [incha]. Prov., Rio Palenque , 24.II.1976, leg. Nealis V. (6 exx. CNCI, DCGI) ; Pich [incha]. Prov., 16 Km E Santo Domingo, Tinalandia , m 680, 04.V-25.VII.1985, leg. Peck S. & J., malaise-FIT, rain forest (1 ex., CNCI) ; MEXICO: Oaxaca: Ixtlán de Juárez , 17°20’07"N – 96°29’02"W, 19.IV.1993 (1 ex., DCGI) . PANAMA: Canal Zone , 12-13.IX.1975, leg. Young P., human feces trap (1 ex., DCGI) ; Canal Zone, Ciricito , 03.V.1930 (1 ex., USNM) ; Cerro Campana , m 3000, 02.VIII.1970, leg. Howden H. & A. (5 exx., CNCI) ; Chiriqui Prov., Cerro Pelota , m 1500, 01-14.VII.1982, leg. Gill B. (2 exx., DCGI, CNCI) ; idem, 4 Km N Sta. Clara, VIII.1952, leg. Gill B. (2 exx., CNCI) ; Chiriqui Prov., 2 Km N Sta. Clara, Hartmann’s Finca, 8°51’N – 82°46’W, m 1300, 24- 25.V.1977, leg. Howden H. & A. (2 exx., DCGI, CNCI) ; Chiriqui Prov., 2 Km N Sta. Clara , m 1300, W. Hartman’s Finca, 30-31.V.1977, leg. Howden H. & A. (8 exx., CNCI) ; idem, 8°51’N – 82°36’W, m 1300, 30- 31.V.1977, leg. Howden H. & A. (1 ex., CNCI) ; Chiriqui Prov., Hartmann’s Finca , 04-07.VII.1977, leg. Morris & Wappes, feces baited pitfall trap (2 exx., MCGA) ; Colon Prov., Santa Rita Ridge , m 270, 10- 11.VI.1977, leg. Howden H. & A. (9 exx., CNCI) ; Panama Prov., Cerro Azul , 13-18.II.1996, leg. Turnbow & Wappes, swine feces baited trap (2 exx., RHTC) ; idem, 12-13.V.1996, leg. Wappes, Huether & Morris (1 ex., ISEA) ; idem, 21-27.V.1996, leg. Wappes, Huether & Morris (1 ex., MCGA) ; Panama Prov., Cerro Jefe , 30.VI.1997, leg. Turnbow R. (2 exx., DCGI, RHTC) ; Panama [Prov.], Chepo-Carti Rd , m 400, VI.1982, leg Gill B., flight interception trap (2 exx., CNCI) ; Panama Prov., K 8-13 El Llano-Carti Rd, 10-13.V.1996, leg. Wappes, Huether & Morris (1 ex., MCGA) ; idem, 21-24.V.1996, leg. Wappes, Huether & Morris (2 exx., MCGA) ; Panama Prov., Pipeline Rd K 1-12, 15-22.II.1999, leg. Wappes J. E., feces baited pitfall trap (1 ex., CNCI) ; [Panama Prov.], Porto Bello [= Puerto Bello], 11.II.1911, leg. Schwarz E. A., ex horse manure (1 ex., male, type of Aphodius chapini Hinton, 1934 , USNM) ; Pan [ama]. [Prov.], Potrellos [=Potrerillos?], II.1934 (1 ex., male, type of Aphodius ataenioides Hinton, 1938 , USNM) . PERU: Pucalpa , 11.VII.1992, leg. Peña L. E. (2 exx., DCGI) . VENEZUELA: Carab [obo]., Borbureta, P. Cabella , m 200, 13.X.1985, leg. Bordon C. (1 ex., DCGI) ; Miranda, Los Altos , m 1300, 24.XII.1983, leg. Bordon C. (1 ex., DCGI) ; Miranda, El Amarillo, S. Antonio de los Altos, sector Los Moralitos , 10°21’N – 66°56’W, m 50, 20.II.2002, leg. Zunino M. (2 exx., DCGI) ; Parque Nacional de Rancho Grande , m 1300, 19.VII.1964, leg. Bordon C. (1 ex., DCGI) .

Distribution. Brazil, Costa Rica, Ecuador, Mexico (Oaxaca), Panama, Peru, Venezuela.

Bionomics. Poorly known; the majority of specimens examined were collected in late winter and early spring.

Remarks. The new synonymies are established with the thorough study of the types of involved taxa.

Figures

Figure 67-77. Gonaphodioides acutecernans (Balthasar, 1960) (Cochabamba Prov., Bolivia). 67) Epipharynx. 68, 70) Habitus (length ideogram and morphological details). 69) Right labial palp (dorsal view). 71-72) Aedeagus (dorsal and lateral view). Gonaphodioides chapini (Hinton, 1934) (2 Km N Sta. Clara, W Hartmann’s Finca, Chiriqui Prov., Panama). 73) Epipharynx. 74-75) Habitus (morphological details and length ideogram). 76-77) Aedeagus (dorsal and lateral view).