Aegidinus oreibates Colby,

Colby, Julia, 2009, Monographic revision of the genus Aegidinus Arrow (1904) and generic phylogeny of the world Orphninae (Coleoptera: Scarabaeidae: Orphninae)., Insecta Mundi 2009 (76), pp. 1-41: 26-32

publication ID

http://doi.org/10.5281/zenodo.5352584

persistent identifier

http://treatment.plazi.org/id/03BBFE49-0B3D-877A-FF36-1F75B536FBC2

treatment provided by

Felipe

scientific name

Aegidinus oreibates Colby
status

new species

Aegidinus oreibates Colby  , new species

Fig. 58-60View Figures 50- 64, 70View Figures 65-77, 89-91

Type Material. Holotype male at CMNC labeled: 

a) “ Trinidad: St. George // 8 km N. Arima, Simla

Res. // Sta., 260 m, 14-24. VI.1993 // S. &J. Peck,

Lower mont. // Rainforest, f.i.t. 93-48”(printed, rectangular label)/ b) my handwritten holotype label.

Allotype female at CMNC with same data as holotype but with my handwritten allotype label. 

Paratypes: 10 females and 12 male paratypes at CMNC labeled: a) same as (a) above/b)with my printed paratype labels. One female and two male paratypes at CMNC labeled: a) “ Trinidad: St.

George // 8 km N. Arima, Simla Res. // Sta., 260

m, 6-14. VI. 1993 // S. & J. Peck, tropical // forest,

f.i.t., 93-09” (printed, rectangular label)/ b) my printed paratype label. One male paratype at

CMNC labeled: a) “ Trinidad: St. George // 8 km N.

Arima Simla Res. // Sta., 260 m 24.VI-8.VII. 1993

// S. & J. Peck, lower mont. // rainforest, f.i.t., 93- Figure 82. Distribution map of A. brasiliensis  , A. candezei  , 57” (printed, rectangular label)/ b) my printed and A. cornutus  . Open symbols on the map indicate a paratype label. 2 female and 2 male paratypes at country only record.

CMNC labeled: a) “ Trinidad: St. George // Maracas Valley, above // Loango Village, 600 m, // 22.VI-6. VII. 1993, S. &J. Peck // mont. Rainforest, f.i.t. 93- 43” (printed, rectangular label) / b) my printed paratype label. One male paratype at CMNC labeled a) as (a) above / b) “ Aegidinus  // guianensis  // (Westwood) // Dét. F. Génier, 1996” (handwritten and printed on a rectangular label with a black border)/ c) my printed paratype label. One male paratype at CMNC labeled: a) “ Trinidad, Maracas Valley // above Loango Village, 600 m // 22.VI-6.VII.93, montane // rainforest FIT // S&J Peck, 93-43”(printed, rectangular label)/ b) my printed paratype label. 2. Two female paratypes at FMNH labeled: a) “ Trinidad: Arima (8 Km // N), Simla Res. Sta., // 260 m, 14-24. VI.1993, // FMHD 93- 431, lower” (printed, rectangular label)/ b) “montane rainforest FIT // (flight intercept trap), S. & J. Peck # 93-48 // Field Mus. Nat. Hist.” (printed, rectangular label)/ c) my printed paratype label. One female paratype from FMNH labeled: a) “ Trinidad: Arima (16 // km N), Andrews Trace, // 620 m, 7-24. VI.1993, // FMHD 93-402, upper” (printed, rectangular label)/ b) “montane rainforest FIT // (flight intercept trap), // S. & J. Peck #93-14 // Field Mus. Nat. Hist.” (printed, rectangular label)/ c) my printed paratype label. Four female and three male paratypes at CMNC labeled: a) “ Trinidad, 8 km N Arima // Simla Res. Sta., 260 m // 24.VI-8.VII.93, lower // montane rainforest FIT // S&J Peck, 93-57” (printed, rectangular label) / b) my printed paratype label. One male paratype at CMNC labeled a) as (a) above / b) “ Aegidinus  // guianensis  (West.) // det. B. Gill 1995” (handwritten and printed on a rectangular label with a black border). Four female and 4 male paratypes at CMNC labeled: a) “ Trinidad, 8km N Arima // Simla Res. Sta., 260 m // 6-14. VI.93 // trop. Forest, FIT // S&J Peck, 93-39” (printed, rectangular label) / b) my printed paratype label. Three female and 3 male paratypes at CMNC labeled: a) “ Trinidad, 16 km N Arima // Andrews Trace, 620m // up. montane rainforest // FIT, 7-24. VI.93 // S&J Peck, 93-14” (printed, rectangular label) / b) my printed paratype label. One female paratype at CMNC labeled: a) “ Trinidad, 19 km N Arima // Lalaja Trace, 650 m // 8-24. VI.93, montane // rainforest, FIT // S&J Peck, 93-20” (printed, rectangular label) / b) my printed paratype label. Three male paratypes at CMNC labeled: a) “ Trinidad, 13 km S. Arima // 2 km N Talparo, Quesnell // Farm, rainforest, FIT // 12-22. VI. 93, 50 m // S&J Peck, 93- 28” (printed, rectangular label) / b) my printed paratype label. Two male paratypes at CMNC labeled: a) “ Trinidad, 11 km SE // Arima, Arena For. Res. // 13-22. VI. 93, 80 m // rainforest FIT // S&J Peck, 93-30” (printed, rectangular label) / b) my printed paratype label. One female paratype at CMNC labeled: a) “ Trinidad, 9 km N Arima // Simla Res. Sta., 260 m // lower montane rainforest // 14. VI. 93, uv light // S&J Peck, 93-32” (printed, rectangular label) / b) my printed paratype label. Seven male paratypes at CMNC labeled: a) “ Trinidad, 8 km N Arima // Simla Res. Sta., 260m // 14-24. VI. 93, lower // montane rainforest FIT // S&J Peck, 93-48” (printed, rectangular label) / b) my printed paratype label. Three female paratypes at CMNC labeled: a) “ Trinidad, 16 km N Arima // Andrews Trace, 620m // 24.VI-7. VI. 93, FIT // up. montane rainforest // S&J Peck, 93-

61” (printed, rectangular label) / b) my printed paratype label. One male paratype at CMNC labeled: a) “ Diego Martin // Trinidad, W.I. // Aug.

25, 69 // J. Boos” (handwritten on a rectangular label)/ b) “H. & A. Howden Collection Ottawa,

Canada ” (printed, rectangular label with a black border)/ c) printed paratype label. 1 female paratype at CMNC labeled: a) “ Trinidad, Tunapuna // Mt.

St. Benedict, Pax Guest // House, 200 m, 2-8. VII.93

// uv light over forest // S&J Peck, 93-53” (printed,

rectangular label)/ b) my printed paratype label.

One female paratype at CMNC labeled: a)

“ Trinidad, Tunapuna // Mt. St. Benedict, forest //

4-30. VI.93, 200- 250 m // banana baits & gen. colln

// S&J Peck, 93-31” (printed, rectangular label)/

b) my printed paratype label. One male paratype at CMNC labeled: a) “ Trinidad, Tunapuna // Mt. Figure 88. Distribution map for A. crypticus, A. St. Benedict  , 500 m // 21.VI-8.VII.93, Mt. // Tabor guianensis  , and A. howdenorum  . Open symbols indicate rainforest FIT // S&J Peck, 93-38” (printed, rect- country only records.

angular label)/ b) my printed paratype label. Two female paratypes at CMNC labeled: a) “ Trinidad, 15 km NE // Tunapuna, Caura Rec. // Area, Caura Valley // 22. VI. 93, 100 m // S&J Peck, 93-39” (printed, rectangular label)/ b) my printed paratype label. One female paratype at USNM labeled: a) “ Trinidad BWI // Port of Spain // 9-VI-1953 ” (printed, rectangular label)/ b) my printed paratype label. 1male paratype at UNSM labeled: a) “ Trinidad, W.I. // Mt St Benedict // Light // 1.VII.1997 // A. W. Hook” (printed, rectangular label)/ b) my printed paratype label. One male paratype from UNSM labeled: a) as (a) above/ b) “ Aegidinus  // n. sp // Det F.C. Ocampo 2005” (handwritten and printed on a rectangular label with a black border)/ c) my printed paratype label. One female paratype from IRSB labeled: a) “Female symbol” (printed, rectangular label)/ b) “Coll. R. I Sc. N. B” (printed in black on a purple, rectangular label) / “Caparo Trinidad // A. Heyne, Berlin-Wilm.” (printed on a white, rectangular label pasted onto the purple label)/ c) “ Aegidinus  // guianense  // West // Female symbol // E. Benderitter, det.” (printed and handwritten on a rectangular label)/ c) my printed paratype label. One female paratype at MIZA labeled: a) “La Esperanza // Venezuela-Mona // gas-mts. // 10-VI- 1967 ” (handwritten and printed on a rectangular label)/ b) “J. Salcedo // L. Rodriguez” (handwritten and printed on a rectangular label)/ c) “Dicraeodon // sp. // Det. A. Martinez” (handwritten on a rectangular label)/ d) “ Aegidinus  // sp. // det M.E. Jameson 2001” (handwritten and printed on a rectangular label with a black border)/ e) my printed paratype label. One female paratype at CMNC labeled: a) “Ven: Bolivar, 6 km // S San Iisidro (km 88) // 25. VI.-11.VII. 87 // S & J Peck, lowland // rainforest FIT ” (printed, rectangular label)/ b) my printed paratype label. One female and 3 male paratypes at MIZA labeled: a) “ Venezuela Bolivar // Rio Guaniamo // No 6 o 45' // O 66 o 01' // 160 m 25-28 -V-79” (handwritten, rectangular label)/ b) “cols. // J. Clavijo // A. Chacon // G. Yepez” (handwritten, rectangular label) / c) my printed paratype label. One male and 1 female paratype at HAHC labeled a) “ Venezuela: Bolivar // Guri, 14. VI.1996 // H. & A. Howden // Dry Forest// Lt” (handwritten and printed on a rectangular label)/ b) “H. & A. Howden Collection Ottawa, Canada ” (printed, rectangular label with a black border)/c) my printed paratype label. One female paratype at CMNC labeled: a) “ Guyana: Iwokrama F. R. // 4 o 40' 19 N 58 o 41' 04 W // 100-200 m, V-VI. 2001 // R. Brooks & Z. Falin // in FIT ” (printed, rectangular label)/ b) my printed paratype label. One paratype male in GMMC with the following data: French Guiana, Kourou-savane Matiti-zone agricole Wayabo PK 4.5 - 20.XII.2007 legit J. L. Giuglaris, flight intercept trap. One male in GMMC with the following data: Regina, RN  2 PK 125 + 3, 11.I.2008, legit J. L. Giuglaris, flight intercept trap. One male in GMMC with the following data: Regina, RN  2 PK 125 + 3, 6.II.2008, legit J. L. Giuglaris, flight intercept trap.

Allotype. Female. Length 8.5 mm; width 4.5 mm. Allotype similar to holotype except in the following respects: Head: Head not convex, anterior margin of clypeus without horn, with marginal bead. Pronotum: Surface more punctate, punctures sparse to dense, large. Punctures on basal margin occasionally contiguous. Disc with median, longitudinally oval, punctate depression; punctures moderate to dense, moderate in size, transversely oval. Elytra: Punctures of striae mostly J- or reverse J-shaped, rarely U- or Vshaped. Lateral margins adjacent to humerus with 4 setose crenulations. Legs: Protibia without apical denticle. Genitalia: Fig. 70View Figures 65-77

Paratypes. (Males = 54, females = 42) Length 7.5-10.4 mm; width 4.2-5.6 mm. Paratypes differ from primary types in the following respects: Males. Head: Anterior edge of clypeus with tubercle, without carina or marginal bead (minors). Pronotum: Disc of minors with long, shallow fovea; basal edge without tumosities. Females ( Fig. 90-91View Figure 90-91). Females do not differ significantly from the allotype.

Diagnosis. This species is best distinguished using the male and female genitalia. Female A. oreibates  ( Fig. 70View Figures 65-77) is separated from other species in the genus based on the following characters: the inferior and superior plates are fused only half way from the exterior edge to the interior edge and accessory sclerites are round. The male genitalia of A. oreibates  ( Fig. 58-60View Figures 50- 64) are similar to both A. crypticus  ( Fig. 46-49View Figures 38-49) and A. howdenorum  ( Fig. 52-55View Figures 50- 64) but are separated by the relative thickness of the median lobes (much thicker in A. oreibates  than in the others) and the shape of the ventral plate, which is quadrate in A. oreibates  , but rounded in the others.

Etymology. From the Latin “ oreibates  ” meaning mountain climber, used here as a noun in apposition. This species is named in honor of my brother, Samuel Colby, who is a climber, a soldier, and a gentleman.

Distribution (Fig. 89). Trinidad, Venezuela, Guyana, and French Guiana. 95 specimens examined from CMNC, FMNH, IRNSB, HAHC, USNM, MIZA, and four specimens at GMMC. TRINIDAD (84): Caroni: Caparo (1). St. George: Simla Research Station (8 km N Arima) (54); Andrews Trace (16 km N Arima) (10); Lalaja Trace (16 km N Arima) (1); Diego Martin (1); Quesnell Farm, 2 km N Talparo (13 km S Arima) (3); Arena Forest Reserve (11km SE Arima) (2); Loango Village (Maracas Valley) (4); Port of Spain (1); Mt. St. Benedict (Tunapuna) (4); Mt. St. Benedict, Pax Guest House (Tunapuna) (1); Caura Recreation Area (15 km NE Tunapuna) (2). VENEZUELA (8): Bolivar: Rio Guaniamo (4); Guri (2); San Iisidro

(1). Monagas: La Esperanza (1). FRENCH GUIANA (1): Cayenne: Kouru (1)  ; Regina (2). GUYANA (1): Potaro-Siparuni: Iwokrama Forest Reserve (1)  .

Temporal Distribution. January (1), February (1), May (4), May-June (1), June (65), June-July (19), July (2), August (1), December (1).

Natural History. Specimens were collected from elevations of 50-650 m from montane rainforests, tropical forest, dry forest, and lowland rainforests.

VI

Mykotektet, National Veterinary Institute

FMNH

Field Museum of Natural History

USNM

Smithsonian Institution, National Museum of Natural History

UNSM

University of Nebraska State Museum

R

Departamento de Geologia, Universidad de Chile

MIZA

Museo del Instituto de Zoologia Agricola Francisco Fernandez Yepez