Dorsum and close-up of sensillus of Ramusella (Insculptoppia) paolii, from here.

Belongs within: Oppiidae.

Ramusella is a genus of oribatid mites characterised by the presence of three pairs of sigillae between the interlamellar setae. It is divided into subgenera distinguished by features of the rostral setae, which are straight and divergent in Rectoppia, and convergent in the other subgenera. Ramusella (Ramusella) has the rostral setae geniculate and placed close together, while Sabahoppia, Insculptoppia and Inscultoppiella have the arched rostral setae placed further apart. Ramusella (Sabahoppia) blattarum has a radiate sensillus and lamellar setae placed nearer the rostral setae than the interlamellar setae; Insculptoppia and Insculptoppiella have the lamellar setae nearer the interlamellar setae. These latter two subgenera are distinguished by the sensillus, which is laterally ciliate in Insculptoppiella, but unilaterally ciliate or pectinate in Insculptoppia (Balogh & Balogh 1992).

The type species of the genus, Ramusella puertomonttensis, is subcosmopolitan, being recorded from scattered locations around the world, including the Mediterranean, eastern and southern Asia, Fiji and Chile (Subías 2004).

Characters (from Balogh & Balogh 1992): Translamellar line usually well visible. Interlamellar setae present. Three pairs of sigillae present between interlamellar setae (sometimes hardly visible). Notogaster with nine pairs of setae, all of same length. Anterior margin of notogaster without protruding humeral processes. Setae la at about same transverse level as setae lm or more posterior. Genital plates with five pairs of setae. Fissure iad paraanal.

<==Ramusella Hammer 1962 S04
    |--R. (Ramusella) (see below for synonymy) S04
    |    |--*R. (R.) puertomonttensis Hammer 1962 S04
    |    |--R. (R.) assimiloides Subías & Rodríguez 1987 S04
    |    |--R. (R.) chulumaniensis (Hammer 1958) [=Oppia chulumaniensis] S04
    |    |--R. (R.) clavipectinata (Michael 1885) S04 (see below for synonymy)
    |    |--R. (R.) confusa Arillo & Subías 1990 S04
    |    |--R. (R.) cordobensis (Balogh & Mahunka 1968) [=Oppia cordobensis] S04
    |    |--R. (R.) curtipilus Hammer 1971 [=R. chulumaniensis curtipilus; incl. Oppia nana Woas 1986] S04
    |    |--R. (R.) defectuosa Subías & Rodríguez 1987 S04
    |    |--R. (R.) filigera (Mahunka 1985) [=Brachioppia filigera] S04
    |    |--R. (R.) gyrata (Mahunka & Paoletti 1984) [=Bioppia gyrata] S04
    |    |--R. (R.) hainardorum (Mahunka 1992) [=Uroppia hainardorum] S04
    |    |--R. (R.) hippy (Mahunka 1983) [=Oppia hippy] S04
    |    |--R. (R.) junonis Pérez-Íñigo 1986 S04
    |    |--R. (R.) lyroseta (Wallwork 1964) [=Oppia fusiformis lyroseta] S04
    |    |--R. (R.) philippinensis (Mahunka 1982) [=Oppia philippinensis] S04
    |    |--R. (R.) pinifera Mahunka 1988 S04
    |    |--R. (R.) remyi (Karppinen 1966) [=Oppia remyi] S04
    |    |--R. (R.) sengbuschi Hammer 1968 (see below for synonymy) S04
    |    |--R. (R.) tasetata Subías 1980 S04
    |    `--R. (R.) translamellata Subías 1980 S04
    |--R. (Insculptoppia Subías 1980) S04
    |    |--R. (*I.) insculpta (Paoli 1908) (see below for synonymy) S04
    |    |--R. (I.) alata (Mahunka 1997) [=Sphagnoppia alata] S04
    |    |--R. (I.) ananthakrishni (Sanyal & Bhaduri 1989) [=Brachioppia ananthakrishni] S04
    |    |--R. (I.) anuncata Subías & Rodríguez 1986 S04
    |    |--R. (I.) bagnalli (Hull 1916) [=Amolops bagnalli] S04
    |    |--R. (I.) berninii (Pérez-Íñigo 1975) [=Oppia berninii] S04
    |    |--R. (I.) cavernalis (Ohkubo & Cokendolpher 2002) [=Insculptoppia cavernalis] S04
    |    |--R. (I.) claudelionsi (Calugar & Vasiliu 1983) [=Oppia claudelionsi] S04
    |    |--R. (I.) corniculata Pérez-Íñigo & Peña 1997 S04
    |    |--R. (I.) crenata (Mahunka 1992) [=Insculptoppia crenata] S04
    |    |--R. (I.) elliptica (Berlese 1908) (see below for synonymy) S04
    |    |--R. (I.) elmela Subías & Rodríguez 1986 S04
    |    |--R. (I.) furcata (Willmann 1928) [=Dameosoma furcatum] S04
    |    |--R. (I.) fusiformis (Wallwork 1961) [=Oppia soror fusiformis] S04
    |    |--R. (I.) golosovae (Rjabinin 1987) [=Oppia golosovae] S04
    |    |--R. (I.) humicola Wang & Li 1997 S04
    |    |--R. (I.) japonica (Aoki 1983) [=Brachioppia japonica] S04
    |    |--R. (I.) krivolutskyi (Kulijev 1966) [=Oppia krivolutskyi] S04
    |    |--R. (I.) luxtoni (Ayyildiz 1989) [=Gressittoppia luxtoni] S04
    |    |--R. (I.) merimna (Balogh & Mahunka 1977) [=Oppia merimna] S04
    |    |--R. (I.) neonominata Subías 2004 [=R. (I.) corniculata Ivan & Vasiliu 1999 non Pérez-Íñigo 1997] S04
    |    |--R. (I.) paolii Ivan & Vasiliu 1999 S04
    |    |--R. (I.) remota (Ohkubo & Aoki 1995) [=Insculptoppia remota] S04
    |    |--R. (I.) sensiclavata (Kardar 1976) [=Oppia sensiclavata] S04
    |    |--R. (I.) sheshanensis (Wen, Aoki & Wang 1984) [=Brachioppiella sheshanensis] S04
    |    |--R. (I.) soror (Balogh 1958) [=Oppia soror] S04
    |    |--R. (I.) subiasi (Pérez-Íñigo 1990) [=Oxyoppia subiasi] S04
    |    |--R. (I.) suciui (Hammer 1968) [=Brachioppia suciui] S04
    |    `--R. (I.) terricola Subías & Rodríguez 1986 S04
    |--R. (Insculptoppiella Subías & Rodríguez 1986) S04
    |    |--R. (*I.) alfonsii (Bernini 1980) [=Oppia alfonsii] S04
    |    |--R. (I.) aepyornis Mahunka 1994 S04
    |    |--R. (I.) alejnicovae (Krivolutsky & Gatilova 1974) [=Oppia alejnicovae] S04
    |    |--R. (I.) baichengensis (Zhao & Wen 1992) [=Oppia baichengensis] S04
    |    |--R. (I.) bicillata Ohkubo 1996 [=R. (Insculptoppia) bicillata] S04
    |    |--R. (I.) elongata (Paoli 1908) [=Dameosoma elongatum] S04
    |    |--R. (I.) filamentosa (Mahunka 1985) [=Brachioppia filamentosa] S04
    |    |--R. (I.) flagellaris Ohkubo 1996 [=R. (Insculptoppia) flagellaris] S04
    |    |--R. (I.) paillei (Mahunka 1980) [=Oppia paillei] S04
    |    |--R. (I.) pocsi (Balogh & Mahunka 1967) [=Oppia pocsi] S04
    |    |--R. (I.) triancantha (Mahunka 1963) [=Oppia triancantha] S04
    |    `--R. (I.) varians (Wallwork 1961) [=Oppia varians] S04
    |--R. (Rectoppia Subías 1980) S04
    |    |--R. (*R.) mihelcici (Pérez-Íñigo 1965) [=Oppia mihelcici; incl. O. guelticola Hammer 1975] S04
    |    |--R. (R.) debililamellata (Kulijev 1962) [=Oppia debililamellata] S04
    |    |--R. (R.) eduardoi Arillo & Subías 1996 S04
    |    |--R. (R.) fasciata (Paoli 1908) [=Dameosoma fasciatum] S04
    |    |    |--R. f. fasciata S04
    |    |    |--R. f. sahariensis (Hammer 1975) [=Oppia sahariensis] S04
    |    |    `--R. f. sudamericana Pérez-Íñigo & Sarasola 1998 S04
    |    |--R. (R.) incisiva (Balogh & Mahunka 1980) [=Oppia incisiva] S04
    |    |--R. (R.) radiata (Balogh 1961) [=Oppia radiata] S04
    |    |--R. (R.) rhinina Subías & Minguez 1981 S04
    |    `--R. (R.) strinatii (Mahunka 1980) [=Oppia strinatii] S04
    |         |--R. s. strinatii S04
    |         `--R. s. curtiramosa Subías & Rodríguez 1987 S04
    `--R. (Sabahoppia Mahunka 1987) S04
         `--R. (S.) blattarum (Oudemans 1911) S04 (see below for synonymy)

Ramusella (Insculptoppia) elliptica (Berlese 1908) [=Lohmannia elliptica; incl. R. abarkouhiensis Bayartogtokh & Akrami 2000, Insculptoppia lamellata Pérez-Íñigo 1991] S04

Ramusella (*Insculptoppia) insculpta (Paoli 1908) [=Dameosoma insculptum; incl. R. insularis Rjabinin 1987, Oppia shaldybinae Kulijev 1962] S04

Ramusella (Ramusella) [incl. Alcioppia Balogh 1983, Amolops Hull 1916 non Cope 1865, Bioppia Mahunka & Paoletti 1984] S04

Ramusella (Ramusella) clavipectinata (Michael 1885) S04 [=Notaspis clavipectinata S04; incl. Oppia alamellata Kardar 1976 S04, Dameosoma alces Jacot 1934 S04, O. assimilis Mihelčič 1956 S04, Ramusella assimilis AVJ91, O. taminae Rjabinin 1975 S04]

Ramusella (Ramusella) sengbuschi Hammer 1968 [incl. Oppia tokyoensis Aoki 1974, R. tuberculata Mahunka & Topercer 1983] S04

Ramusella (Sabahoppia) blattarum (Oudemans 1911) S04 [=Xenillus blattarum S04; incl. *Sabahoppia hauseri Mahunka 1987 S04, Ramusella (*Sabahoppia) hauseri BB92]

*Type species of generic name indicated


[AVJ91] Adán, A., E. Viñuela & J. Jacas. 1991. Effects of agricultural impact on soil inhabiting oribatid (Acari: Oribatida) communities. In: Dusbábek, F., & V. Bukva (eds) Modern Acarology: Proceedings of the VIII International Congress of Acarology, held in České Budĕjovice, Czechoslovakia, 6–11 August 1990 vol. 1 pp. 403–409. SPB Academic Publishing: The Hague.

[BB92] Balogh, J., & P. Balogh. 1992. The Oribatid Mites Genera of the World vol. 1. Hungarian Natural History Museum: Budapest.

[S04] Subías, L. S. 2004. Listado sistemático, sinonímico y biogeográfico de los ácaros oribátidos (Acariformes, Oribatida) del mundo (1758–2002). Graellsia 60 (número extraordinario): 3–305.

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