The Arachnid Order Solifugae

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PHYLOGENY/TAXONOMY

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

EREMOBATINAE
  Eremobates
      angustus
group
      aztecus
group
      lapazi
group
     pallipes
group
      palpisetulosus
group
       ajoanus series
        Eremobates affinis
        Eremobates ajoanus
        Eremobates bixleri
       kraepelini series
        Eremobates gracilidens
        Eremobates inkopaensis
        Eremobates kraepelini
        Eremobates otavonae
        Eremobates pallidus
        Eremobates pimanus
        Eremobates pyriflora
        Eremobates titschacki
       nodularis series
        Eremobates nodularis
       palpisetulosus series
        Eremobates bajadae
        Eremobates bantai
        Eremobates kiseri
        Eremobates marathoni
        Eremobates norrisi
        Eremobates palpisetulosus
        Eremobates polhemusi
        Eremobates texanus
       scopulatus series
        Eremobates fagei
        Eremobates girardi
        Eremobates inyoanus
        Eremobates kastoni
        Eremobates leechi
        Eremobates nanus
        Eremobates nivis
        Eremobates papillatus
        Eremobates scopulatellus
        Eremobates scopulatus
        Eremobates spissus
        Eremobates tejonus
        Eremobates tuberculatus
        Eremobates vicinus
        Eremobates villosus
        Eremobates williamsi
       unplaced
        Eremobates bajaensis

        Eremobates coahuilanus
     
  Eremobates guenini
        Eremobates hessei
        Eremobates hystrix

        Eremobates purpusi

      scaber
group
      vallis
group

  Eremocosta
  Eremorhax
  Eremothera
  Horribates

THEROBATINAE
  Chanbria
  Eremochelis
 
Hemerotrecha

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

 


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

 

 
scopulatus series

Diagnosis:  Muma and Brookhart (1988) recognized this series as including those members of the palpisetulosus group in which males possess a palpal scopula (when present only on the metatarsus, the scopula is basal in position). The dorso-ectal process of the fixed cheliceral finger of males is present as a short, rounded to elongate blade or blade-like process that occupies 15 to 30 percent of the finger length.  The fondal notch is narrower than the width of the base of the fixed cheliceral finger (finger width/notch width mean = 1.29 to 2.50), and is usually as wide as or wider than long (length/width mean = 0.73 to 1.50). The posterior intermediate tooth of the the movable cheliceral finger is located on the finger margin at the base of the principal tooth, and the anterior tooth is nearly normal or is modified into a tooth-like flange, an angulate flange, a round flange, a low ridge or a bipartite process.  The mesal tooth of the movable finger is missing or indistinct.  Known females have opercula that are typical of the palpisetulosus group, varying from 1.4-2.0 times as wide as long, with the opercular notch occupying 21-38% of the opercular area and the anterior opercular lobes broad, but not usually distinctly enlarged at their distal ends.

Distribution: United States: Arizona, California, Nevada, and Utah with one questionable record from New Mexico.  

Included species:

Notes:  Per Muma and Brookhart (1988), most included species are small to moderate sized and well-marked, varying from blackish-brown with dark palpal tarsi and pale leg metatarsi and tarsi, to pale species with palpal tarsi that are distinctly pale or with a pale spot above, and pale leg metatarsi and tarsi. There are 2 dark brown species with a bipartite process on the movable finger of the males, girardi and williamsi. The remaining 14 species are paler and somewhat variable in both color pattern and morphological structure. Five of these are known from unique, single males that do not seem to be closely related to any other species. Nine species, 3 known only from males, 1 known only from females, and 5 known from both sexes, appear to be related to one or more other species of the series. The species of this series are very difficult to identify and place, either because of the paucity of material or because of intraspecific variation . For these reasons, they suggested that the tabular key to species that they included in their paper (see below) may not function adequately in the identification of every collected specimen; rather, they suggested, a series of specimens may be required for accurate placement.

Tabular key to males of the scopulatus series of the palpisetulosus species-group of Eremobates Banks
(Modified from Muma and Brookhart (1988)).

Species
Position peak dorsal process
Finger/Notch Width Ratio Mean (x)
CP
Mean
(x)
number of ctenidia mean (x)
Number Palpal Range
Papillae Scopula Mean (x)
 fagei
Distal 1/2
1.90
10.0
  7.0
    77-81

(79)

girardi
Basal
?
11.0
    ?
     ?

?

kastoni
Distal 1/2
1.38
9.5
   5.6
    19-54

(45)

leechi
Distal end
1.33
7.0
  10.0

22-45

(30)

nanus
Distal of
2.50
5.7
    5.0
 ?

(80)

nivis
Distal 1/4
1.40
7.8
     6.0
 76=97

(87)

papillatus
Distal 1/4

1.44

8.8
     6.0
     83-92

(88)

scopulatellus Distal 1/4 1.35 8.4 7.0 3-85 (33)
scopulatus Distal 1/3 1.34 8.3 4.9 20-75 (46)
spissus Distal 1/3 1.29 8.1 6.0 10-59 (36)
tejonus Distal 1/2 2.00 9.5 2.0 70-100 (85)
tuberculatus Distal 1/2 1.12 7.7 0 ? (60)
vicinus Distal 1/2 1.48 8.8 6.9 26-124 (60)
villosus Distal 1/3 1.39 8.5 6.7 82-132 (112)
williamsi Distal 1/2 1.47 10.0 7.0 29-36 (36)

 


 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

   
   

 



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