Endroedianibe xerozoyphius, Ratcliffe and Cave, 2011

Ratcliffe, Brett C. & Cave, Ronald D., 2011, Revisions of the Genera Endroedianibe Chalumeau and Hispanioryctes Howden and Endrödi (Coleoptera: Scarabaeidae: Dynastinae) from Hlspaniola, with Descriptions of New Species, The Coleopterists Bulletin 65 (1), pp. 1-14 : 5-10

Endroedianibe xerozoyphius , parameres

Lateral view; 10) Caudal view.

missing; right protarsal claw missing; right meso- of holotype. 9) in the following respects: Head: Short setae laterad Natural History and the Florida State Collection of of frontoclypeal carina distinct in 1 specimen, appar- Arthropods, discovered two new specimens of H. ently worn away in other specimens. Antennae miss- wittmeri and several specimens representing a suring in 1 specimen. Pronotum: 2 specimens with prising three new species that are described below. small, weak depression at center behind anterior Distribution. Hispanioryctes species are known margin. Legs: Metatibia at apex with 21 long bristles only from Haiti and the Dominican Republic ( Fig. 25 ). in 1 specimen; other specimens with bristles worn Diagnosis. Hispanioryctes species may be disaway. Tarsomeres variably missing in all specimens. tinguished by the following combination of charac-

Etymology. The adjectival specific epithet is ters: length usually 26–39 mm, width 15–22 mm; derived from the Greek xeros, referring, in this color piceous, almost black, or dark reddish brown; case, to both a dry place (the desert type locality) frons and clypeus usually rugopunctate; clypeus or and the condition of the specimens themselves frontoclypeal region with tubercle; clypeus with (dried out remains on the desert floor) and the lateral margin constricted before ocular canthus, Greek dimunitive zoyphion (of zoön), meaning a apex narrowly rounded or subrectangularly trunsmall animal. cate; antenna 10-segmented, club subequal to or

Distribution. Endroedianibe xerozoyphius is slightly longer than segments 2–7; mandibles exknown only from near Fondo Negro in Barahona posed, broadly rounded, slightly sinuate on exterprovince, Dominican Republic. nal edge; pronotum lacking fovea or basal marginal

Locality Records ( Fig. 25 ). 4 specimens exam- bead (at least at center); protibia quadridentate; ined. DOMINICAN REPUBLIC (4): Barahona metatibia at apex with 2–3 lobe-like teeth (teeth (4): Fondo Negro (1.6 km W). often subdivided into smaller teeth); prosternal

Temporal Distribution. May (4). April may be process small, narrowly subtriangular. more accurate since all the specimens were found The only other oryctine genus in Hispaniola dead and had apparently been that way for some time. with quadridentate protibiae is Strategus . Males of

Diagnosis. Males of E. xerozoyphius closely Strategus species in Hispaniola have either pronotal resemble males of E. bozzolai , but the parameres “bosses” or horns, and females all have a foveate of the two species are very different ( Figs. 3–4 and pronotum; species of Hispanioryctes have none of 9–10). Although we have a female from near the type these characters. Strategus species also have dislocality, we cannot reliably assign it to this species. tinctly toothed mandibles, whereas the mandibles

Biology. Nothing is known of the life history of in Hispanioryctes species are broadly lobed. this species. All the specimens were found dead in Endroedianibe bozzolai ( Figs. 1 –5) is similar in an extremely dry desert region where tarantulas overall appearance (body form, clypeus, mandiwere apparently using the beetles’ abandoned bur- bles, quadridentate protibia) and might be confused rows in the ground (R. Woodruff, personal com- with Hispanioryctes species. However, E. bozzolai munication, July 2010). is in the tribe Pentodontini as exemplified by the

truncate apex of the metatibia, whereas species of

Hispanioryctes have three lobes or teeth at the

KEY TO THE MALES OF ENDROEDIANIBE apex of the metatibia that places them in the tribe 1. Parameres with apices slightly tapering, not Oryctini . In addition, E. bozzolai lacks the small diverging ( Figs. 3– 4 )........................................ gap between teeth 2–3 on the protibia that is present ................................... E. bozzolai Chalumeau in all species of Hispanioryctes . Endroedianibe

bozzolai has sparse, long, reddish brown setae on 1′. Parameres with apices diverging (Figs. 9–10).... top of the head (as does H. wittmeri ) and small

E. xerozoyphius Ratcliffe and Cave , new species antennae with a short antennal club (subequal in

length to segments 2–7); H. wittmeri has large an-

Hispanioryctes Howden and Endrödi, 1978 tennae with a longer club that is slightly longer than

segments 2–7. Lastly, species of Hispanioryctes are Hispanioryctes Howden and Endrödi 1978 (in Howden larger beetles (24 mm in an unusually small male 1978): 388. Type species: Hispanioryctes wittmeri of H. wittmeri to 39 mm), whereas E. bozzolai is Howden and Endrödi, by original designation. a smaller beetle at 23 mm in length.

Howden and Endrödi (1978) established this Hispanioryctes paulseni Ratcliffe and Cave , genus to accommodate a single species that had new species

been recently collected in the Dominican Republic. ( Figs. 11–15 , 25 )

In the 32 years since the description of H. wittmeri ,

. Holotype male, labeled “REP. Saona/Carr. Mano Juan-Catuano/ 8/ 24JUN1992 /M. Gil y K. A.

specimens have been rarely collected or found in Type Material

pally by scientists at the Carnegie Museum of centre km 5 y km 7

Guerrero ” and with our red holotype label. Seven 2004/ Charyn J. Micheli, coll.”. All paratypes with paratype males, labeled “ CARR. MANO JUAN./ our yellow paratype label. Holotype deposited CATUANO ( KM. 5–8)/ ISLA SAONA, PNE. at the Carnegie Museum of Natural History REP./DOM. 22-VII-1992.Cols./ G. Dominici, (Pittsburgh, PA). Paratypes deposited in the Museo Manuel Gil,/Kelvin Guerrero.” Two paratype Nacional de Historia Natural (Santo Domingo, males labeled “ MANO JUAN. ISLA / SAONA Dominican Republic), M. J. Paulsen collection PNE. REP./DOM. 24-26-VI-1992 /Cols. Kelvin (Lincoln, NE), and B. C. Ratcliffe Collection Guerrero &/Manuel Gil.”. One male paratype la- (Lincoln, NE).

beled “ DOMINICAN REPUBLIC:/ La Altagracia. Holotype. Male.Length 32.8 mm; width 19.1 mm. Parque/del Este. 2.9 km SW/ Boca de Yuma. /18-21- Color piceous, almost black.

51N. 68-37-05W./ 11m . 28 May 2004 ”. One male Head: Frons with moderately dense, moderately paratype labeled “ DOMINICAN REPUBLIC:/ La large punctures, surface nearly smooth at center Altagracia Prov. , PN del/ Este, Boca de Yuma / base between eyes. Frontoclypeal region at center 18°21.508′N, 68°35.956′W / 20 m, day coll. 20 July with prominent, erect tubercle. Clypeus densely

paratype (15). 13) Caudal view; 14) Latrugopunctate , lateral margin constricted before Distribution. Hispanioryctes paulseni is known ocular canthus; apex subrectangularly truncate. from only two adjacent localities in the lowlands Interocular width equals 3.7 transverse eye diam- of southeastern Dominican Republic. All but two eters. Antenna 10-segmented, club short, subequal specimens come from Isla Saona. in length to segments 2–7. Mandibles exposed, Locality Records ( Fig. 25 ). 12 specimens exbroadly rounded, lateral edge slightly sinuate. amined. DOMINICAN REPUBLIC (12): Isla

Pronotum: Surface punctate; punctures moder- Saona (10): Carretera Mano Juan to Catuano ately large, deep, moderately dense in anterior (between km 5–km 8); La Altagracia (2): Parque half, sparse in posterior half, becoming confluent del Este (Boca de Yuma and 2.9 km SW Boca to rugose in anterior angles. Disc with 2 promi- de Yuma). nent tubercles well behind anterior margin. Base Temporal Distribution. May (1), June (3), with feeble marginal bead, bead broadly obsolete July (8). at middle. Elytra: Sutural stria impressed. Surface Diagnosis. Hispanioryctes paulseni is unique minutely shagreened, distinctly punctate and with among the species of Hispanioryctes in having a 2 weak, partial striae on disc; punctures sparse, strongly developed frontoclypeal tubercle and two small, becoming moderate in size and density at tubercles on the pronotum. Females remain unapices. Pygidium: Surface punctate; punctures known, and it is unknown if they would have those moderate in density and size; basal half with same secondary sex characters typical of males. several short, reddish brown setae. In lateral view, Biology. Nothing is known of the life history surface regularly convex. Apex narrowly truncate, of this species. All specimens were collected at not rounded. Legs: Protibia quadridentate, teeth lowland sites, and the Parque del Este specimens subequally spaced from one another except for were collected in a semi-humid dry forest. slight space between teeth 2–3. Metatibia at apex with 3 lobe-like teeth, teeth subdivided to appear

Hispanioryctes rugulopygus Ratcliffe as 4 smaller teeth on left leg and 5 smaller teeth and Cave, new species on right leg. First metatarsomere at apex with

(Figs. 16–18, 25) weak, dorsal attenuation. Venter : Metasternum with anterior half densely punctate, setigerous, Type Material. Holotype male, labeled “Furcy posterior half nearly impunctate, glabrous; setae HAITI / June 1944 / A. Curtiss ” and with our red long, dense, reddish brown. Prosternal process holotype label. Allotype female labeled “Mt. Diego small, laminate, narrowly subtriangular. Parameres de/Ocampo, Dom. Rep./ 3–4,000 ft., July ’38/ ( Figs. 13–14 ): Form subparallel, apices broadly Darlington” and with our red allotype label. rounded and densely setose on median surface, Paratypes (9) labeled: “Constanza/Aug. ’38, tooth present at mid-shaft in lateral view. Dom. Rep./Darlington” (handwritten) (1 male) ;

Variation. Males (11 paratypes). Length 28.6– “ DOMINICAN REPUBLIC:/ Barahona. Eastern 38.4 mm; width 16.7–21.5 mm. As holotype, Sierra / Bahoruco, Reserva Cachote / 12.8 km NE except in the following respects: Head : Frons Paraiso./18-05- 54N. 71-11- 21W. / 1230 m. 19–21 between eyes mostly smooth, some with several May 2004 // C. Young, C. Nunez / J. Rawlins, J. small, sparse punctures. Interocular width equals Fetzner./cloud forest with tree/ferns. UV light./ 3.1–3.7 transverse eye diameters. Legs: Metatibia Sample 44214” (1 female); “ DOMINICAN at apex varies from 3 teeth on each leg (5 speci- REPUBLIC:/ Pedernales. Sierra de/ Bahoruco. mens) to 5 on each leg (1 specimen), 4 on each Aceitillar./ 23.6 km NE Pedernales /18-09- 23N. 71- leg (1 specimen), 5 on left and 3 on right leg 34-09W./ 1560 m. 14 June 2003 // C. Young, J. (1 specimen), 4 on left, 3 on right leg (1 speci- Rawlins, C. / Nunes, R. Davidson, P. / Acevedo, M. men), and 3 on left, 4 on right leg (1 specimen). de la Cruz /open pine forest with/grassland. hand /

Pygidium: Setae in basal half minute, mostly collected. Sample 42142” (1 female) ; “ Las Abejas, abraded away. Parameres: Form as holotype to Sierra / Bahoruco /. Prov. / Pedernales, R.D./19-VIslightly tapering, apices narrowly rounded ( Fig. 15 ). 1989/ Cols. Watusik-Guerrero /M.N.H.N.” (1 male) ; This degree of variation in male parameres is un- “ REPUBLICA DOMINICANA / Pedernales, P. N. usual in Dynastinae , but we can find no other differ- Sierra de/ Bahoruco, Los Guiritos/(18°9′178″N, ences that would suggest this variation represents a 71°37′470″E),/ 1577 m / 2 September 2001, Coll. different species. K.A.” (1 male) ; “Los Guiritos, Sierra Bahoruco /

Etymology. Named in honor of Dr. M. J. Pedernales Prov. / Pedernales, Prov./ PEDERNALES, Paulsen (University of Nebraska) in recognition R. D./ 27-VI-1989 /Col. Watusik-Guerrero/M.N.H.N.” of his superb imaging assistance provided for (1 male); “REP. DOM: La Vega /5 Km de Managao/ /Finca de Eladio/ 15-V-2001. D.; “STO. DGO/ Distrito Nacional / III-1983 /Col. Reynoso/M.N.H.N.”

our projects and for his important contributions Paso de la Perra

the Lucanidae . Rep. Dom./20- 9

of holotype. 17) Caudal view; 18) Lateral view.

mostly large, deep, moderate in density in anterior

half, sparse in posterior half, becoming confluent

to rugose in anterior angles. Base lacking marginal

bead. Elytra: Sutural stria impressed. Surface

minutely shagreened, vaguely punctate and with

2 weak, partial striae on disc; punctures sparse,

small, becoming moderate in size and density at

apices. Sides laterad of humerus lacking rows of

Fig. 16. Hispanioryctes rugulopygus , dorsal habitus moderate to large punctures. Pygidium: Surface

of male holotype. completely, densely rugulose, basal half with sev-

eral short, reddish brown setae. In lateral view, sur-

face strongly convex. Apex narrowly truncate, not

(1 female); DOMINICAN REPUBLIC:/ Dajabon rounded. Legs: Protibia quadridentate, teeth sub- Province / 13 km S. Loma de Cabrera /ca. 400m, equally spaced from one another except for slight 20–22 May 1973 /Don and Mignon Davis (1 fe- space between teeth 2–3. Metatibia at apex with male). All paratypes with our yellow paratype label. 3 lobe-like teeth. First metatarsomere at apex with Holotype and allotype deposited at the Univer- weak, dorsal attenuation. Venter: Metasternum sity of Nebraska State Museum (Lincoln, NE). with anterior half densely punctate, setigerous, Paratypes deposited at the Museo Nacional de posterior half nearly impunctate, glabrous; setae Historia Natural (Santo Domingo, Dominican long, dense, reddish brown. Prosternal process Republic), Carnegie Museum of Natural History small, laminate, narrowly subtriangular. Parameres (Pittsburgh, PA) , U. S. National Museum (Washing- ( Figs. 17–18 ): Form subparallel, slightly tapering ton, D. C.), and in the B. C. Ratcliffe Collection towards apices, apices narrowly rounded and densely (Lincoln, NE). setose on median surface, strong tooth present at Holotype. Male.Length 36.2 mm; width 19.6 mm. mid-shaft in lateral view. Color piceous, almost black. Head: Frons with Allotype. Female. Length 36.6 mm; width moderately dense, moderately large punctures, 20.0 mm. As holotype except in the following punctures sparser at center base. Frontoclypeal respects: Head: Frons in anterior half and clypeus region at center with low tubercle. Clypeus densely coarsely rugopunctate. Interocular width equals rugopunctate, lateral margin constricted before 4.1 transverse eye diameters. Pronotum: Puncocular canthus; apex subrectangularly truncate. tures larger, becoming rugopunctate along lateral Interocular width equals 3.3 transverse eye diam- margins and anterior angles. Pygidium: Surface eters. Antenna 10-segmented, club short, sub- rugulopunctate in anterior half and angles, becomdensely punctate in posterior half,. In lateral view, basal half nearly half weakly convex. Apex broadly

equal in length to segments 2–7. Mandibles ing moderately

exposed, broadly rounded, lateral edge slightly punctures small

sinuate. Pronotum: Surface punctate; punctures flat, apical rounded, not truncate. Legs: Metatibia at apex with Biology. Nothing is known of the life history 3 larger teeth and 1 small tooth on left leg and of this species. Specimens have been collected with 1 larger and 4 smaller teeth on right leg. First between the elevations of 14 m at Santo Domingo metatarsomere slightly more attenuate at apex on to 1,560 m in the Sierra Bahoruco that has habitats dorsal surface. of cloud forest with tree ferns or open pine forest

Variation. Males (5 paratypes). Length 32.5– with grassland. 38.4 mm; width 18.3–21.5 mm. As holotype, except in the following respects: Head: Interocular Hispanioryctes sculptilis Ratcliffe width equals 4.0 transverse eye diameters. Legs: and Cave, new species Metatibia at apex with 6 small teeth on left leg

( Figs. 19–21, 25) and 5 small teeth on right leg (actually 3 larger teeth subdivided) (1 specimen), 6 teeth on left leg Type Material. H o l o t y p e m a l e, l a b e l e d and 7 teeth on right leg (1 specimen), 6 small teeth “Miragoane/Hayti July/Eyerdam Coll” (handwriton each leg (1 specimen), 6 teeth on left leg and ten) and with our red holotype label. Allotype 4 teeth on right leg (1 specimen), and 3 teeth on female labeled “ DOMINICAN REPUBLIC: Pr./ left leg and 4 teeth on right leg (1 specimen). Pedernales, Los Tres / Charcos , 13-VII-1996 /Coll.

Females (4 paratypes). Length 30.9–34.5 mm; M. C. Thomas ” and with our red allotype label. width 17.3–19.8 mm. Head: Interocular width Holotype deposited at the University of Nebraska equals 3.1 transverse eye diameters (1 specimen) State Museum (Lincoln, NE); allotype deposited to 3.3 transverse eye diameters (2 specimens). at the Florida State Collection of Arthropods Pronotum : Punctures moderate in size and den- (Gainesville, FL). sity (1 specimen) . Pygidium: Surface with punc- Holotype. Male.Length 36.9 mm; width 22.1 mm. tures moderate in size and density (1 specimen) or Color piceous, almost black. Head: Frons with completely, finely rugulopunctate (1 specimen). dense, large punctures in anterior half, center base In lateral view, surface weakly, regularly convex almost smooth. Frontoclypeal region at center with (2 specimens) . Legs: Metatibiae at apices with weak tumescence. Clypeus densely punctate, lateral 5 smaller teeth on each leg (subdivided larger margin constricted before ocular canthus; apex teeth; 1 specimen) or with 3 larger teeth on each narrowly subtruncate. Interocular width equals leg (1 specimen). First metatarsomere subtruncate 3.9 transverse eye diameters. Antenna presumably at apex. 10-segmented, segments 4–10 missing on both

Etymology. From the Latin rugula, indicating small wrinkles, and the Greek pyge, meaning rump; in reference to the finely, completely rugulose pygidium in the males.

Distribution. Hispanioryctes rugulopygus is known from one locality in southern Haiti and from several places in the Dominican Republic.

Locality Records (F i g. 2 5). 11 s p e c i m e n s examined. DOMINICAN REPUBLIC (10): Dajabon (1): Loma de Cabrera (13 km S) ; Distrito Nacional (1): Santo Domingo; La Vega (3): Constanza, Paso de la Perra ( Finca de Eladio , 5 km from Managao), Reserva Cachote (12.8 km NE Paraiso) ; Pedernales (4): Aceitillar (Sierra de Bahoruco), Las Abejas (Sierra Bahoruco), Los Guiritos (Sierra Bahoruco); Santiago (1): Mt. Diego de Ocampo. HAITI (1) : Ouest (1): Furcy.

Temporal Distribution. March (1), May (3), June (4), July (1), August (1), September (1).

Diagnosis. Hispanioryctes rugulopygus is the only species where, in the males, the pygidium is completely, finely rugulose. Females are separated from Hispanioryctes sculptilis Ratcliffe and Cave by their sparsely punctate elytra (strongly striatepunctate in H. sculptilis ) and from H. wittmeri by

Figures

Fig. 25. Distribution map for the species of Endroedianibe and Hispanioryctes

Figs. 3–4. Endroedianibe bozzolai, parameres of stricted before

Figs. 1–2. Endroedianibe bozzolai, holotype. 1) Dorsal habitus; 2) Frontal view. Photos courtesy of F. Chalumeau.

Figs. 11–12. Hispanioryctes paulseni. 11) Dorsal habitus; 12) Lateral view of head and pronotum of male paratype.

Figs. 13–15. Hispanioryctes paulseni, parameres of holotype (13–14) and eral view; 15) Caudal view.

Figs. 17–18. Hispanioryctes rugulopygus, parameres