ANNALES HISTORICO-NATURALES MUSEI NATIONALIS HUNGARICI Volume 97 Budapest, 2005 pp

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1 ANNALES HISTORICO-NATURALES MUSEI NATIONALIS HUNGARICI Volume 97 Budapest, 2005 pp New Rotundabaloghia Hirschmann, 1975 species (Acari: Mesostigmata: Uropodina) from the Dominican Republic J. KONTSCHÁN Systematic Zoology Research Group, Hungarian Academy of Sciences and Department of Zoology, Hungarian Natural History Museum H-1088, Budapest, Baross u. 13, Hungary. Abstract - Rotundabaloghia dominicana sp. n., R. szuetsi sp. n., R. punctata sp. n., R. arragensis sp. n. and R. pocsiana sp. n. are described from the Dominican Republic. With 17 figures. Key words - Acari, Uropodina, Rotundabaloghia, new species, Dominican Republic. INTRODUCTION Several soil, moss and leaf litter materials were collected in the different levels of the tropical rain forests of the Dominican Republic on the last expedition of the members of the Systematic Zoology Research Group and the Bryology Research Group of the Hungarian Academy of Sciences. The found Rotundabaloghia species are described in this paper. The material is stored in alcohol and deposited in the Collections of Soil Zoology of the Hungarian Natural History Museum, Budapest. Species of the genus Rotundabaloghia HIRSCHMANN, 1975 are widely distributed in the tropical areas of the world. Sixteen Rotundabalogia species were described from New Guinea (HIRSCHMANN 1975), 34 from several parts of Asia (Japan, New Guinea, Philippines and Borneo) (HIRSCHMANN & HIRAMATSU 1992), 30 were published from Africa (HIRSCHMANN 1992a, KONTSCHÁN 2004), 28 from Columbia (HIRSCHMANN 1992e) and 41 from several parts of South America (Venezuela, Ecuador, Pern, Bolivia, Brazilia) and Central America (Guatemala) (HIRSCHMANN 1992c). No Rotundabaloghia species have hitherto been found in the Caribbean region (WISNIEWSKI 1993).

2 Rotundabaloghia HIRSCHMANN, 1975 Diagnosis - Size small, shape of idiosoma oval or circular, genital shield of female large, oblong. Ventral side of gnathosoma with four setae (C1, C2, C3, C4). CI long, smooth and setiform, the other setae short and smooth or serrated. Corniculi horn-like. Laciniae short or long and covered by short hairs. Branches and the base of epistoma serrated. Branches of tritosternum with serrated margin. Chelicerae with nodus. Species groups - Identification keys to the species groups were given by HIRSCHMANN (1975, 1992d). Diagnosis of the species group kaszabi: female genital and ventrianal shields with ornamentation. All ventrianal setae smooth. Of the new species described in this paper, it includes Rotundabaloghia dominicana sp. n., R. szuetsi sp. n., R. punctata sp. n. and R. arragensis sp. n. Diagnosis of the species group haradai: female genital shield with ornamentation, ventrianal shield without ornamentation. All ventrianal setae smooth. It includes Rotundabaloghia pocsiana sp. n. Rotundabaloghia dominicana sp. n. (Figs 1-4) Diagnosis - Dorsal shield with spatuliform setae, setae bearing marginal hairs. Genital shield of female large, linguliform. Ventrianal setae setiform, peritrema uncinate. Description - Female. Length of idiosoma 265 urn, width (in the middle of idiosoma) 255 urn. Shape oval, posterior margin rounded. Dorsal side (Fig. 1): dorsal shield with alveolar ornamentation, one pair of dorsal setae with long hairs (Fig. 2), other dorsal setae spatuliform and bearing marginal hairs (Fig. 3). Ventral side (Fig. 4): bearing alveolar pattern, ornamentation on sternal shield lacking. Sternal setae not clearly visible, ventrianal setae smooth, long and setiform. Stigmae situated near coxae 2. Peritrema hook-shaped. Genital shield of female large, linguliform, with alveolar ornamentation; situated between anterior margin of sternal shield and posterior part of coxae 4. Gnathosoma: not visible (covered by coxae 1). Male, deuteronymph, protonymph and larva unknown. Material examined - Holotype: female, "Loc. 12. Dominican Republic, near Constanca, wet rain forest fragment, from moss, leg. J. Kontschán". Etymology - This species is named after the country where the species was found. Remarks - All known Neotropical Rotundabaloghia species from the species group kaszabi have longer ventral setae. The new species is similar to Rotunda-

3 baloghia pilosa HIRSCHMANN, All ventral setae of the new species are smooth, while one of the ventral setae (V7) of Rotundabaloghia pilosa is with pilose margin. Rotundabaloghia szuetsi sp. n. (Figs 5-10) Diagnosis - Dorsal setae short and filiform, but three pairs of setae on caudal part of dorsal shield short and spatuliform. Ornamentation of dorsal and ventral shields alveolate. Genital shield of female scutiform and with maculate ornamentation. Description - Female. Length of idiosoma urn, width (in the middle of idiosoma) urn. Shape oval, posterior margin rounded. Dorsal side (Fig. 5): dorsal shield with several shooth, short and filiform setae, but three pairs of setae on caudal part of dorsal shield short, smooth and spatuliform. Dorsal shield bearing alveolar ornamentation. Ventral side (Fig. 6): ornamentation on sternal shield lacking. Sternal and ventrianal setae short, smooth and filiform. Ventral shield with alveolar ornamentation. Stigmae situated between coxae 2 and 3. Peritrema hook-shaped. Genital shield of female scutiform and with maculated ornamentation. It placed between anterior margin of sternal shield and posterior part of coxae 4. Gnathosoma (Fig. 7): corniculi horn-like, laciniae smooth. Ventral side of gnathosoma with 4 pairs of coxal setae. CI long, smooth and setiform, C2 short, smooth and setiform, C3 and C4 short, setiform and with serrated margin. Base of tritosternum narrow, apical with two branches, and on margin with short hairs (Fig. 9). Apical part of epistoma Figs 1-4. Rotundabaloghia dominicana sp. n.: 1 = dorsal view, 2 = apical seta, 3 = dorsal seta, 4 = ventral view

4 with short hairs (Fig. 8). Chelicerae and tritosternum not clearly visible. Male (Fig. 10): length of idiosoma urn, width (in the middle of idiosoma) urn. Shape oval, posterior margin rounded. Dorsal side similar to the female. Ventral side: sternal and ventral shield with alveolar ornamentation, all sternal and ventrianal setae short, smooth and filiform. Genital shield of male circle and between coxae 4. Material examined- Holotype: female, "Loc. 17 Dominican Republic, SW edge of Constanca, from litter, leg. J. Kontschán". Paratype: male, locality and data same as the holotype. Etymology - This species is named after the colleague and friend of the author, Dr. TAMÁS SZÛTS, who helped him collecting the materials in the Dominican Republic. Figs Rotundabaloghia szuetsi sp. n.: 5 = dorsal view of female, 6 = ventral view of female, 7 = ventral view of gnathosoma, 8 = epistoma, 9 = tritosternum, 10 = ventral view of male

5 Remarks - The new species is similar to the Rotundabaloghia ecuadorensis HIRSCHMANN, The most important differences between the two species are as follows: R. ecuadorensis R. szuetsi Ornamentation of genital shield of female alveolar maculate Ornamentation of ventral shield lacking alveolar Rotundabaloghia punctata sp. n. (Figs 11-12) Diagnosis - Dorsal shield with filiform setae and with dotted ornamentation. Ventrianal setae smooth and filiform. Genital shield of female linguliform and with maculate ornamentation. Description - Female. Length of idiosoma urn, width (in the middle of idiosoma) urn. Shape oval, posterior margin rounded. Dorsal side (Fig. 11): dorsal shield with smooth and short filiform setae and with dotted ornamentation. Ventral side (Fig. 12): sternal shield without ornamentation. Sternal and ventral setae short, smooth and filiform. Ornamentation of ventral shield alveolate. Caudal part of marginal shield with several spatuliform setae. Peritrema hook-shaped. Stigmae situated between coxae 2. Genital shield of female linguliform and with maculate ornamentation. Anterior part of genital shield situated between coxae 2. Gnathosoma: not clearly visible (covered by coxae 1). Male, deuteronymph, protonymph and larva unknown. Material examined - Holotype: female, "Loc. 20. Dominican Republic, S of Arraga, primary submontane wet rain forest, from litter, leg. J. KONTSCHÁN". Paratypes: 2 females, locality and date as same as the holotype. Etymology - This species is named after its dorsal pattern. Remarks - This species is similar to Rotundabaloghia hulluagae HIRSCH MANN, 1992 species, which has long and setiform sternal setae, but the sternal setae of the new species are small and filifom. Rotundabaloghia arragensis sp. n. (Figs 13-14) Diagnosis - Dorsal shield with alveolar ornamentation. Dorsal setae short, smooth and bulbiform, two pairs of dorsal setae on caudal and caudal parts short,

6 smooth and filiform. Ventrianal setae short, smooth and filiform. Genital shield of female linguliform and with alveolar ornamentation. Description - Female. Length of idiosoma 310 um, width (in the middle of idiosoma) 270 urn. Shape oval, posterior margin rounded. Dorsal side (Fig. 13): dorsal shield with alveolar ornamentation. Central and caudal part of dorsal shield with maculate pattern. Central part of dorsal shield with short, smooth, bulbiform setae, marginal and caudal part with short, smooth and filiform setae. Ventral side (Fig. 14): sternal shield without ornamentation. Sternal and ventral (four pairs of) setae short, Figs = Rotundabaloghia punctata sp. n.: 11= dorsal view, 12 = ventral view = R. arragensis sp. n.: 13 = dorsal view, 14 = ventral view

7 smooth and filiform. Ornamentation of ventral shield alveolate. Peritrema hook-shaped. Stigmas situated between coxae 2 and 3. Genital shield of female linguliform and with alveolar ornamentation. The anterior part of the genital shield localized between coxae 2. Gnathosoma: not clearly visible (covered by coxae 1). Male, deuteronymph, protonymph and larva unknown. Material examined - Holotype: female, "Loc. 20. Dominican Republic, S of Arraga, primary submontane wet rain forest, from moss from tree, leg. J. Kontschán". Etymology - This species is named after the village (Arraga) of its origin. Remarks - The new species is similar to the species Rotundabaloghia ovaligynella HIRSCHMANN, 1992, which has short filiform ventral setae, but the V7 setae have a serrated margin in its apical part. All ventral setae of the new species are smooth. Rotundabaloghia pocsiana sp. n. (Figs 15-17) Diagnosis - Dorsal setae short and filiform. Ornamentation of dorsal and ventral shield lacking. Sternal and ventral setae on small humps and short, smooth and filiform. Genital shield of female linguliform and with foveolate ornamentation. Description - Female. Length of idiosoma 360 pm, width (in the middle of idiosoma) 290 pm. Shape oval, posterior margin rounded. Dorsal side (Fig. 15): dorsal and marginal setae short, smooth, filiform, and placed on small humps. Ornamentation of dorsal and ventral shield lacking. Ventral side (Fig. 16): ornamentation on sternal shield lacking. Sternal and ventrianal setae long, smooth and filiform. Two pairs of ventral setae situated near metapodal line. Ventral shield without ornamentation. Stigmae situated between coxae 2. Peritrema hook-shaped. Genital shield of female linguliform and with foveate ornamentation, situated between anterior margin of sternal shield and posterior part of coxae 4. Gnathosoma: not clearly visible. Male (Fig. 17): length of idiosoma 370 pm, width (in the middle of idiosoma) 280 pm. Shape oval, posterior margin rounded. Dorsal side similar to the female. Ventral side: sternal shield with alveolar ornamentation, ventral shield without pattern. Sternal and ventrianal setae long, smooth and filiform. Genital shield of male circular and between coxae 4. Deuteronymph, protonymph and larva unknown. Material examined - Holotype: female, "Loc. 15, Dominican Republic, near Jima village, degraded rain forest, from moss, leg. J. KONTSCHÁN". Paratype: male, locality and data same as the holotype. Etymology - This species is dedicated to the noted bryologist, Dr. TAMÁS PÓCS, who helped the author with collection of the materials in the Dominican Republic.

8 Remarks - The new species is similar to the Rotundabaloghia altoensis HIRSCH MANN, The most important difference is the following: the known species has V6 setae, but these setae cannot be found on the new species. Figs Rotundabaloghia pocsiana sp. n.: 15 = dorsal view, 16 = ventral view of female, 17 = ventral view of male

9 Acknowledgement - This work was sponsored by the Hungarian Scientific Research Fund (OTKA T038319). REFERENCES HIRSCHMANN, W. (1975): Adultenbestimmungstabelle von 20 Rotundabaloghia-Arten. - Acarologie 21: HIRSCHMANN, W. & HIRAMATSU, N. (1992): 34 Rotundabaloghia-Arten aus Asien (Japan, Neuguinea, Philippinen, Borneo) (Dinychini, Uropodinae). - Acarologie 39: HIRSCHMANN, W. (1992a): 26 Rotundabaloghia-Arten aus Afrika (Ghana, Kamerun, Kongo, Rwanda, Tanzania) (Dinychini, Uropodinae). - Acarologie 39: HIRSCHMANN, W. (1992b): 28 Rotundabaloghia-Arten aus Südamerika (Kolumbien) (Dinychini, Uropodinae). - Acarologie 39: HIRSCHMANN, W. (1992c): 41 Rotundabaloghia-Arten aus Südamerika (Venezuela, Ekuador, Peru, Bolivien, Brasilien) und Mittelamerika (Guatemala) (Dinychini, Uropodinae). - Acarologie 39: HIRSCHMANN, W. (1992c/): Adultengruppen, Verzeichnisse der 129 Rotundabaloghia-Arten (Dinychini, Uropodinae). -'Acarologie 39: KONTSCHÁN, J. (2004): Uropodina mites of East-Africa (Acari: Mesostigmata) II. New Rotundabaloghia Hirschmann, 1975 species from Kenya. - Folia entomologica hungarica 65: WlSNIEWSKI, J. (1993): Die Uropodiden der Erde nach Zoogeographischen Regionen und Subregionen geordnet (Mit Angabe der Lande). - Acarologie 40:

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