The Arachnid Order Solifugae

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PHYLOGENY/TAXONOMY

Phylogeny of the Solifugae
Keys to FamiliesFamily Ammotrechidae
Family Ceromidae
Family Daesiidae
Family Eremobatidae
 


 

 

 

 

Family Galeodidae
Family Gylippidae
Family Hexisopodidae
Family Karschiidae
Family Melanoblossidae
Family Mummuciidae
Family RhagodidaeFamily Solpugidae
Catalog of the Solifugae

 

 


 


 

Eremochelis plicatus (Muma 1962)

Therobates plicatus Muma, 1962: 11-12, figs 63-67Adobe PDF icon; Muma, 1963: 1; Muma, 1966c: 210.
Eremochelis plicatus
(Muma): Muma, 1970a: 33; Muma, 1974a: 8; Muma, 1976: 19; Muma and Muma, 1988: 24; Brookhart and Brookhart, 2006: 318
.

HOLOTYPE: United States. Nevada: Nye County - Mercury, 15 July 1960 (Elden Beck), 1 male (holotype); 6 July 1960 (Elden Beck), 1 female (allotype).  Deposited in the American Museum of Natural History.  Muma (1962) also refers to "male paratypes from the same locality by the same collector on July 19, 1960, and July 21, 1960" and a "female paratype from the same locality by the same collector on July 25, 1960", and reports them as also deposited in the American Museum of Natural History.

Original description
Muma, 1962: 21-24, figs 26-29 (as Therobates plicatus):

maleS: Total length, 18.0 to 19.0 mm.

                            LENGTH         WIDTH
Chelicerae         4.4-4.6 mm      2.1-2.0 mm.
Propeltidium    2.1-2.2              3.3-3.2
Palpi                   22.0-23.0          -              
1st legs               13.0-13.0          -
4th legs              26.0-26.0                    -


       Holotype smaller.
      
Color in alcohol pale yellow, with dusky purplish markings as follows: eye tubercle dark, propeltidium dusky except for a narrow pale stripe and a dark anterior margin; mesopeltidium, metapeltidium, and abdominal tergites dusky, with posterior tergites nearly yellow; palpi and legs dusky except on tarsi, coxae, trochanters, and basal ends of femora; malleoli white.
       Dentition of chelicerae as in figures 63 and 64. Movable finger slender, strongly curved, with a large principal tooth, anterior teeth and one intermediate tooth reduced to minute denticules, and no mesial tooth. Fondal teeth distinct from dentate socket margin, with both rows graded I, III, II, IV in size; supernumerary denticules often occurring between fondal teeth. Fondal notch twice as deep as wide and curved dorsally at its mesial end. Fixed finger curved dorsally at base, straight in middle of length and folded downward at tip; in dorsal view narrowed mesially in distal half.
       Groove of fixed finger a deep, dorsally hooded, mesially rounded concavity on distal half of finger. Flagellum complex typical of group, with dorsal tubular bristles curved downward at tips, plumose bristles curved upward, and basal tubular bristles straight or gently curved upward. Mesial setae of movable finger plumose except for five or six at distal end of articulation area.
       Eye tubercle situated on anterior margin of propeltidium. Eyes separated by less than one diameter. Propeltidium wider than long by a ratio of 1 to 1.5.
       Metatarsus and tibia of palpus provided below with a narrow, line-like scopula of 10-20 papillae and long, heavy, cylinder bristles (fig. 65).  Above, these segments clothed with short, fine, cylinder bristles. Metatarsus four times as long as tarsus.
       First post-spiracular abdominal sternite without ctenidia.

FemaleS: Total length, 21.5-22.0 mm.

                            LENGTH         WIDTH
Chelicerae         5.0-5.7 mm      1.8-2.1 mm.
Propeltidium    2.3-2.4              3.4-3.8
Palpi                   19.0-21.0          -              
1st legs               12.0-13.0          -
4th legs              24.5-27.5           -

       Allotype smaller.
       Color and markings in alcohol same as in male.
Dentition of chelicerae apparently quite variable but in general as shown in figure 66 of paratype. Movable finger with large principal tooth, smaller anterior tooth, two intermediate teeth, basal of which is much larger, and no mesial tooth. Fixed finger with principal, medial and anterior teeth large, medial tooth larger than principal tooth, two intermediate teeth between principal and medial and between medial and anterior teeth, and one intermediate tooth behind principal tooth.  Fondal teeth of mesial row as in male, those of ectal row graded III,
II, IV, I in size.
       Structure otherwise same as in male except no scopula on metatarsus
of palpus.
       Opercula of genital segment as shown in figure 67.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   
   
 



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