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Arrallaba

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Arrallaba
Arrallaba spheniscus h-c-1991
Arrallaba spheniscus Hunt & Cokendolpher, 1991. (from original description)

Suborder

Eupnoi

Superfamily

Phalangioidea

Family

Neopilionidae

Subfamily

Ballarrinae

Arrallaba Hunt & Cokendolpher, 1991 is a monospecific genus of the family Neopilionidae, subfamily Ballarrinae.

TaxonomyEdit

DiagnosisEdit

Abdomen with prominent virtually continuous heavily pigmented mediodorsal stripe; pedipalp tibia less than 0.5 patella length, tarsus concave dorsad and shorter than patella, plumes extend along most of setal length; stylus of penis extremely short and twisted, barbed process longer than glans, flattened.

DescriptionEdit

Body large for Ballarrinae, elongate; integument soft; abdomen dorsally with prominent virtually continuous median stripe; plumose setae on pedipalp with plumes along most of setal length; pedipalp patella longer than tibia and tarsus, tibia less than 0.5 patella; tarsus curved distad, plumose setae extend to tip of tarsus, sensory and non-socketed setae confined to extreme tip, latter not forming a subdistal ring, claw absent; leg femora without pseudoarticulations, latter in tibia 11 and metatarsi; stylus of penis extremely short, coiled; barbed process greatly enlarged, longer than glans, flattened; lateral spermathecae penetrating 3 ovipositor segments, dorsal and ventral penetrating 2 (perhaps 3) segments; sexual dimorphism slight.

SpeciesEdit

ReferencesEdit

  1. Hunt, Glenn S. & James C. Cokendolpher, 1991. Ballarrinae, a new subfamily of harvestmen from the Southern Hemisphere (Arachnida, Opiliones, Neopilionidae). Records of the Australian Museum, Sydney, 43(2): 131-169.

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