Caeculisoma sp., copyright Jiku.

Belongs within: Erythraeoidea.
Contains: Abrolophus, Charletonia.

The Callidosomatinae are a group of erythraeid mites whose adults have the eyes placed behind the midpoint of the crista and lack sensory pits on the body. Larvae have a square or rounded dorsal scutum. In members of the tribe Callidosomatini, the adults possess tubercles towards the distal end of the leg tibiae; these are absent in the Charletoniini. Larvae of Callidosomatini possess a distinct hook structure on the posterior pedotarsal claw (Southcott 1961a). Adults of Callidosomatini are divided between the genera Callidosoma, in which the palp is strongly built and modified for grasping, and Caeculisoma, in which the palp is slender and provides a tactile function only (Southcott 1961a). Momorangia is a callidosomatin genus known only from larvae collected in New Zealand, distinguished by a relatively high number of setae (more than three pairs) on the prodorsal scutum (Southcott 1972).

Characters (from Southcott 1961a): Adults and nymphs with one eye on each side. Crista metopica present; eyes are placed behind middle of crista. Crista may continue behind posterior sensillary area. Idiosoma of adult and nymph without special sensory pits (urnulae). Pedal tibiae of adults and nymphs may have prominent distal tubercles. Larvae with one eye on each side; with rounded or squarish dorsal scutum, not triangular. Larval dorsal idiosomal scutum lacking crista.

<==Callidosomatinae [Sphaerolophinae]
    |--Charletoniini S72
    |    |--+--Abrolophus G91
    |    |  `--Neoabrolophus Khot 1965 G91
    |    `--+--Charletonia G91
    |       `--Cecidopus Karsch 1879 G91 [incl. Eupodolophus Berlese 1914 S61a, Fessoniella Hirst 1924 S61a]
    |            |--*C. diversipes Karsch 1879 S61a
    |            |--‘Sphaerolophus (Eupodolophus)’ chubbi Berlese 1914 S61a
    |            |--‘Fessoniella’ mitchelli Hirst 1924 S61a
    |            `-C. straeleni Cooreman 1953 S61a
    `--Callidosomatini [Callidosomini] S72
         |--Momorangia Southcott 1972 S72
         |    |--*M. jacksoni Southcott 1972 S72
         |    `--M. vallata Southcott 1972 S72
         |--Callidosoma Womersley 1936 S72
         |    |--*C. ripicolum (Womersley 1934) S72 (see below for synonymy)
         |    |--C. apollo Southcott 1972 S72
         |    |--C. dasypodiae (Womersley 1934) [=Erythraeus dasypodiae] S72
         |    |--C. galtoni Southcott 1972 S72
         |    |--C. heatherae Southcott 1972 S72
         |    |--C. metzi Sharma et al. 1983 S91
         |    |--C. rostratum Southcott 1972 S72
         |    |--C. tiki Southcott 1972 S72
         |    |--C. tindalei Southcott 1972 S72
         |    |--C. treati Southcott 1972 S72
         |    |--C. wallaceanum Southcott 1972 S72
         |    `--C. womersleyi Southcott 1946 S72
         `--Caeculisoma Berlese 1888 [Caeculisomateae] S72
              |--*C. tuberculatum Berlese 1888 S72
              |--C. afrum Cooreman 1958 H08
              |--C. argus Vitzthum 1926 S61b
              |    |--C. a. argus S61b
              |    `--C. a. io Southcott 1961 S61b
              |--C. carmenae Haitlinger 2008 H08
              |--C. clavigerum Canestrini 1897 [=C. claviger] S61b
              |--C. cooremani Southcott 1972 H08
              |--C. cordipes Vitzthum 1935 S61b
              |--C. darwiniense Southcott 1961 H08
              |--C. haussa Beron 2000 H08
              |--C. hunnanica Zheng 2002 H08
              |--C. huxley Southcott 1972 H08
              |--C. infernale Vitzthum 1926 S61b
              |--C. johnstoni Womersley 1934 S61b
              |--C. montanum (Rainbow 1906) S61b [=Rhyncholophus montanus H98]
              |--C. mouldsi Southcott 1988 H08
              |--C. nasutum Hirst 1928 S61b [=Caeculiosoma (l. c.) nasutum H98]
              |--C. nestori Haitlinger 2004 H08
              |--C. sparnoni Southcott 1972 H08
              `--C. sulcatum (Canestrini 1898) (see below for synonymy) S61b

Callidosomatinae incertae sedis:
  Hauptmannia Oudemans 1910 S72
    |--*H. longicollis (Oudemans 1910) [=Achorolophus longicollis] S61a
    |--H. aitapensis Southcott 1948 S61a
    |--H. baardi Haitlinger 2004 F05
    |--H. brevicollis Oudemans 1910 S61a
    |--H. gracilenta Willman 1937 S61a
    |--H. parvum Schweizer & Bader 1963 SB63
    |--H. tonsor Southcott 1996 H98
    |--H. trifarius Shiba 1976 S76
    `--H. willmanni Schweizer 1951 SB63
  Pussardia Southcott 1961 S72
    `--*P. mullewaensis (Womersley 1934) S61a [=Hauptmannia mullewaensis H98]
  Andrevella Southcott 1961 S72
    `--*A. parkeri (André 1930) [=Erythraeus parkeri] S61a
  Grandjeanella Southcott 1961 S72
    |--*G. westraliensis (Womersley 1934) S61a [=Hauptmannia westraliensis H98]
    |--G. charadrea Southcott 1996 H98
    |--G. pangela Southcott 1996 H98
    `--G. shepherdae Southcot 1996 H98
  Carastrum Southcott 1988 WL09, H98
    `--C. ferrari Southcott 1988 H98

Caeculisoma sulcatum (Canestrini 1898) [=Rhyncholophus sulcatus, Belaustium (l. c. for Balaustium) sulcatum] S61b

*Callidosoma ripicolum (Womersley 1934) S72 [=Caeculisoma ripicolum S72, Abrolophus ripicola non Belaustium ripicola Womersley 1934 (not preoc. if in dif. gen.) H98, Callidosoma ripicola H98, Sphaerotarsus ripicolus H98]

*Type species of generic name indicated


[F05] Fernández, J. 2005. Noticia de nuevos táxones para la ciencia en el ámbito Íbero-Balear y Macaronésico. Nuevos táxones animales descritos en la península Ibérica y Macaronesia desde 1994 (IX). Graellsia 61 (2): 261–282.

[G91] Gabryś, G. 1991. Intergeneric relationships within Erythraeidae (Acari, Actinedida). 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. 2 pp. 207–212. SPB Academic Publishing: The Hague.

[H08] Haitlinger, R. 2008. Caeculisoma carmenae n. sp. from Republic of South Africa (Acari: Prostigmata: Erythraeidae). Genus 19 (1): 139–142.

[H98] Halliday, R. B. 1998. Mites of Australia: A checklist and bibliography. CSIRO Publishing: Collingwood.

[SB63] Schweizer, J., & C. Bader. 1963. Die Landmilben der Schweiz (Mittelland, Jura und Alpen): Trombidiformes Reuter, mit 217 Arten und Unterarten und 193 Originalzeichnungen. Denkschriften der Schweizerischen Naturforschenden Gesellschaft [Mémoires de la Société Helvétique des Sciences Naturelles] 84 (2): i–vi, 209–378.

[S76] Shiba, M. 1976. Taxonomic investigation on free-living Prostigmata from the Malay Peninsula. Nature and Life in Southeast Asia 7: 83–229.

[S61a] Southcott, R. V. 1961a. Studies on the systematics and biology of the Erythraeoidea (Acarina), with a critical revision of the genera and subfamilies. Australian Journal of Zoology 9: 367–610.

[S61b] Southcott, R. V. 1961b. Notes on the genus Caeculisoma (Acarina: Erythraeidae) with comments on the biology of the Erythraeoidea. Transactions of the Royal Society of South Australia 84: 163–178.

[S72] Southcott, R. V. 1972. Revision of the larvae of the tribe Callidosomatini (Acarina: Erythraeidae) with observations on post-larval instars. Australian Journal of Zoology, Supplementary Series 13: 1–84.

[S91] Southcott, R. V. 1991. A further revision of Charletonia (Acarina: Erythraeidae) based on larvae, protonymphs and deutonymphs. Invertebrate Taxonomy 5: 61–131.

[WL09] Walter, D. E., E. E. Lindquist, I. M. Smith, D. R. Cook & G. W. Krantz. 2009. Order Trombidiformes. In: Krantz, G. W., & D. E. Walter (eds) A Manual of Acarology 3rd ed. pp. 233–420. Texas Tech University Press.

Last updated: 2 July 2022.

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