We redescribe the only previously known species of Myrsidea from bulbuls, M. pycnonoti Eichler. Sixteen new species are described; they and their type hosts are: M. phillipsi ex Pycnonotus goiavier goiavier (Scopoli), M. gieferi ex P. goiavier suluensis Mearns, M. kulpai ex P. flavescens Blyth, M. finlaysoni ex P. finlaysoni Strickland, M. kathleenae ex P. cafer (L.), M. warwicki ex Ixos philippinus (J. R. Forster), M. mcclurei ex Microscelis amaurotis (Temminck), M. zeylanici ex P. zeylanicus (Gmelin), M. plumosi ex P. plumosus Blyth, M. eutiloti ex P. eutilotus (Jardine and Selby), M. adamsae ex P. urostictus (Salvadori), M. ochracei ex Criniger ochraceus F. Moore, M. borbonici ex Hypsipetes borbonicus (J. R. Forster), M. johnsoni ex P. atriceps (Temminck), M. palmai ex C. ochraceus, and M. claytoni ex P. eutilotus. A key is provided for the identification of these 17 species.

A new species

The Vegetation of South Africa, Lesotho and Swaziland

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/pdf/a-manual-of-acarology-4m4uaffrik.pdf

A Manual of Acarology

The hard ticks of the world (Acari: Ixodida: Ixodidae)

For the kingdom Animalia, 1,552,319 species have been described in 40 phyla in a new evolutionary classification. Among these, the phylum Arthropoda alone represents 1,242,040 species, or about 80% of the total. The most successful group, the Insecta (1,020,007 species), accounts for about 66% of all animals. The most successful insect order, Coleoptera (387,100 species), represents about 38% of all species in 39 insect orders. Another major group in Arthropoda is the class Arachnida (112,201 species), which is dominated by the mites and ticks (Acari 54,617 species) and spiders (43,579 species). Other highly diverse arthropod groups include Crustacea (66,914 species), Trilobitomorpha (19,606 species) and Myriapoda (11,885 species). The phylum Mollusca (117,358 species) is more diverse than other successful invertebrate phyla Platyhelminthes (29,285 species), Nematoda (24,783 species), Echinodermata (20,509 species), Annelida (17,210 species) and Bryozoa (10,941 species). The phylum Craniata, including the vertebrates, represents 64,832 species (for Recent taxa, except for amphibians): among these 7,694 described species of amphibians, 31,958 species of “fish” and 5,750 species of mammals.

/pdf/an-outline-of-higher-level-classification-and-survey-of-3gsfus3b30.pdf

An outline of higher-level classification and survey of taxonomic richness

The species status of Tetranychus cinnabarinus remains uncertain for some acarologists. In the present paper, we propose to examine the taxonomic status of this tetranychid mite through a review of studies that aimed to clarify its taxonomical position. We present and discuss the main results concerning the principal aspects investigated literature published since the description of Boisduval in 1867. These studies concern morphological, biological and molecular data which have been used to separate or to synonymise T. cinnabarinus and Tetranychus urticae. Additional new morphological and biological data are also included. In light of the data presented, the authors conclude that T. cinnabarinus should be considered as a synonym of the polymorphic species T. urticae to which it constitutes the red form.

/pdf/evidence-for-synonymy-between-tetranychus-urticae-and-vihr6pgkx4.pdf

Evidence for synonymy between Tetranychus urticae and Tetranychus cinnabarinus (Acari, Prostigmata, Tetranychidae): Review and new data

The distribution of parasites among hosts is often characterised by a high degree of heterogeneity with a small number of hosts harbouring the majority of parasites. Such patterns of aggregation have been linked to variation in host exposure and susceptibility as well as parasite traits and environmental factors. Host exposure and susceptibility may differ with sexes, reproductive effort and group size. Furthermore, environmental factors may affect both the host and parasite directly and contribute to temporal heterogeneities in parasite loads. We investigated the contributions of host and parasite traits as well as season on parasite loads in highveld mole-rats (Cryptomys hottentotus pretoriae). This cooperative breeder exhibits a reproductive division of labour and animals live in colonies of varying sizes that procreate seasonally. Mole-rats were parasitised by lice, mites, cestodes and nematodes with mites (Androlaelaps sp.) and cestodes (Mathevotaenia sp.) being the dominant ecto- and endoparasites, respectively. Sex and reproductive status contributed little to the observed parasite prevalence and abundances possibly as a result of the shared burrow system. Clear seasonal patterns of parasite prevalence and abundance emerged with peaks in summer for mites and in winter for cestodes. Group size correlated negatively with mite abundance while it had no effect on cestode burdens and group membership affected infestation with both parasites. We propose that the mode of transmission as well as social factors constrain parasite propagation generating parasite patterns deviating from those commonly predicted.

/pdf/the-role-of-host-traits-season-and-group-size-on-parasite-2tf93tr3lx.pdf

The role of host traits, season and group size on parasite burdens in a cooperative mammal.

This catalog comprises 56 genera and 266 species of mite names of superfamilies Raphignathoidea and Tetranychoidea recorded from Iran at the end of January, 2013. Data on the mite distributions and habitats based on the published information are included. Remarks about the incorrect reports and nomen nudum species are also presented.

/pdf/a-catalog-of-iranian-prostigmatic-mites-of-superfamilies-1msee5n58l.pdf

A catalog of Iranian prostigmatic mites of superfamilies Raphignathoidea & Tetranychoidea (Acari)

Using the African diederik cuckoo Chrysococcyx caprius and four sympatric passerine foster species in the subfamily Ploceinae, we show that nestling cuckoos are infested by feather lice and mites derived from the ectoparasite fauna typical of the foster species. Adult cuckoos had five species of lice and mites normally found on ploceines, which demonstrates that these ectoparasites are able to survive on foreign hosts. This is the first record of persistence of passerine ectoparasites on a cuckoo. Adult diederik cuckoos also harboured four species of mites and lice specific to cuckoos; since these were not detected on nestlings, cuckoo-specific lice and mites apparently transfer to cuckoos after they leave the nest. Contrary to prediction, ectoparasites with a life cycle involving a permanent association with their host (feather mites and lice) were more likely to transfer to cuckoo nestlings than ectoparasites which spend part of their life cycle away from their host (haematophagous mites and phoretic skin mites). New host records are established for the lice genera Brueelia, Cuculoecus, Machaerilaemus, Myrsidea, Philopterus as well as for the mite species Microlichus americanus, Ornithonyssus bursa, Ornithocheyla megaphallos, Pellonyssus reedi, Pteronyssoides passeris, Pternonyssus glossifer, Trouessartia baupi, T. carpi, Xolalges plocei, X. scaurus and the mite genus Passeroptes.

Persistence of passerine ectoparasites on the diederik cuckoo Chrysococcyx caprius

Tydeoids were collected from different southern African localities by beating citrus foliage and branches. Pronematus ubiquitus (McGregor) was the most frequently encountered, followed by Tydeus munsteri Meyer and Ryke. Some species appeared to be restricted to certain climate types, e.g. Parapronematus geminus Meyer and Rodriques being found only in coastal conditions of Mozambique and Triophtydeus immanis Kuznetzov only occurring in the arid lower Orange River Valley. Four new genera (Tetratriophtydeus, Orfareptydeus, Kakamasia, and Lourus) are proposed along with four new species (O. stepheni, K. cataracta, Pseudopronematulus augrabiensis, and L. citricolus). A key is presented and has been created to facilitate the identification of the tydeoids found and to encourage further research on the role of tydeoids in the citrus ecosystem in southern Africa.

Edward A. Ueckermann

Papers

Evidence for synonymy between Tetranychus urticae and Tetranychus cinnabarinus (Acari, Prostigmata, Tetranychidae): Review and new data

The role of host traits, season and group size on parasite burdens in a cooperative mammal.

A catalog of Iranian prostigmatic mites of superfamilies Raphignathoidea & Tetranychoidea (Acari)

Persistence of passerine ectoparasites on the diederik cuckoo Chrysococcyx caprius

Tydeoid mites (Acari: Tydeidae, Edbakerellidae, Iolinidae) occurring on Citrus in southern Africa