Male Scutomegninia microfalcifera from double-crested cormorant, copyright Heather Proctor, University of Alberta.

Belongs within: Analgoidea.

The Avenzoariidae are a group of mites parasitic on the wing and tail feathers of aquatic birds (OConnor 2009). They are divided between two subfamilies: Bonnetellinae possess three ventral setae on the third tarsus and males have the third pair of legs larger than the fourth whereas Avenzoariinae have one ventral seta on the third tarsus and the third legs are no larger than the fourth in males (Mironov 1991).

Characters (from OConnor 2009): Genu III with solenidion ς present; tibia IV with 1 ventral seta; tarsi with proral setae absent; ventral surface of tarsi I-II completely sclerotised; tarsus I with solenidion ω1 inserted basally; pretarsi with ambulacral stalks shorter than tarsi; ambulacral stalk with parallel sides, arising from apex of tarsus; stalk subdivided, with basal portion apically truncated, spherical distally; ambulacral discs narrowing apically, with central sclerite almost as wide as disc; lateral sclerites of ambulacral disc evenly sclerotised, without lacunae.

<==Avenzoariidae M91
    |  i. s.: Ovofreyana Mironov 1995 H98
    |           `--O. gladifera Mironov 1995 H98
    |--Avenzoariinae M91
    |    |--Hemifreyana [Hemifreyaninae] M91
    |    |--Avenzoaria totani M91, DW10
    |    |--Bregetovia M91
    |    |--Pomeranzevia ninnii M91, DW10
    |    |--Pseudavenzoaria M91
    |    |--Capelloptes M91
    |    |--Laronyssus M91
    |    `--Bychovskiata Dubinin 1951 M91, H98
    |         |--B. bidentata Mironov 1994 H98
    |         |--B. charadrii (Canestrini 1878) [=Dermaleichus charadrii] H98
    |         `--B. perforata Mironov 1994 H98
    `--Bonnetellinae M91
         |--Scutomegninia M91
         |    |  i. s.: S. bicalcarata M91
         |    |         S. circiniger M91
         |    |         S. oedipus M91
         |    |         S. subantarctica O09
         |    |--S. (Scutomegninia) M91
         |    |    |--S. (S.) antarctica M91
         |    |    |--S. (S.) chatamensis M91
         |    |    |--S. (S.) microfalcifera M91
         |    |    |--S. (S.) phalarcrocoracis M91
         |    |    |--S. (S.) pygmaea M91
         |    |    `--S. (S.) serrulata M91
         |    `--S. (Ibidomegninia) M91
         |         |--S. (I.) ibidis M91
         |         |--S. (I.) major M91
         |         |--S. (I.) neglecta M91
         |         |--S. (I.) perforata M91
         |         `--S. (I.) plataleae M91
         `--+--Bdellorhynchus Trouessart 1885 M91, H98
            |    `--B. polymorphus Trouessart 1885 H98
            `--Zachvatkinia Dubinin 1949 M91, M07
                 |--Z. (Zachvatkinia) M91
                 |    |--+--Z. (Z.) caspica M91
                 |    |  |--Z. (Z.) chlidoniae M91
                 |    |  |--Z. (Z.) issykkulica M91
                 |    |  |--Z. (Z.) larica M91
                 |    |  `--Z. (Z.) sternae M91
                 |    `--+--Z. (Z.) hydrobatidii M91
                 |       |--Z. (Z.) isolata M91
                 |       |--Z. (Z.) oceanodromae M91
                 |       |--Z. (Z.) ovata M91
                 |       |--Z. (Z.) puffini M91
                 |       |--Z. (Z.) robusta M91
                 |       |--Z. (Z.) stercorarii M91
                 |       `--Z. (Z.) trouessarti (Bonnet 1924) M91, M07
                 |--Z. (Promegninia) pedimana M91
                 `--Z. (Rhinozachvatkinia) M91
                      |--Z. (R.) graciosa M91
                      |--Z. (R.) pelecanoidi M91
                      `--Z. (R.) zygoloba M91

Nomina nuda: Bdellorhynchus affinis Dubinin 1956 H98
             Bdellorhynchus australis Dubinin 1956 H98

*Type species of generic name indicated


[DW10] Dabert, M., W. Witalinski, A. Kazmierski, Z. Olszanowski & J. Dabert. 2010. Molecular phylogeny of acariform mites (Acari, Arachnida): strong conflict between phylogenetic signal and long-branch attraction artifacts. Molecular Phylogenetics and Evolution 56 (1): 222–241.

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

[M91] Mironov, S. V. 1991. The feather mites of the family Avenzoariidae, their classification and peculiarities of their host-distributions. 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. 183–192. SPB Academic Publishing: The Hague.

[M07] Mironov, S. V. 2007. Phylogeny of the feather mite family Alloptidae (Astigmata, Analgoidea) and coevolutionary trends with aquatic birds. In: Morales-Malacara, J. B., V. M. Behan-Pelletier, E. Ueckermann, T. M. Pérez, E. G. Estrada-Venegas & M. Badii (eds) Acarology XI: Proceedings of the International Congress pp. 617–633. Instituto de Biología and Faculdad de Ciencias, Universidad Nacional Autónoma de México, Sociedad Latinoamericana de Acarología: México.

[O09] OConnor, B. M. 2009. Cohort Astigmatina. In: Krantz, G. W., & D. E. Walter (eds) A Manual of Acarology 3rd ed. pp. 565–657. Texas Tech University Press.

Last updated: 3 March 2019.

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