Lissothrips muscorum, from E. H. Strickland Entomological Museum.

Belongs within: Phlaeothripidae.
Contains: Sophiothrips.

The Williamsiellina is a group of thrips primarily associated with mosses. They usually have the maxillary stylets widely separated when retracted (except in two species of Lissothrips); the stylets are retracted deeply in Lissothrips, but are very low in Williamsiella. The maxillary stylets probably retract about halfway into the head in Pueblothrips minuta, which is only known from the type series in which the stylets are probably not in the resting position (Mound & Marullo 1996).

Characters (from Priesner 1960, as Williamsiellina + Lissothripina): Small, with relatively small eyes. Anal tube short.

<==Williamsiellina [Lissothripina] MM96
    |--Sophiothrips P60
    |--Pueblothrips Stannard 1950 P60, MM96
    |    `--*P. minuta Stannard 1950 MM96
    |--Lissothrips Hood 1908 [incl. Trisclerothrips Stannard 1953] MM96
    |    |--*L. muscorum Hood 1908 MM96
    |    |--L. clayae Mound 1989 MM96
    |    |--L. dispar Hood 1954 MM96
    |    |--L. eburifer Hood 1954 MM96
    |    |--L. flavidus Hood 1960 MM96
    |    |--L. furvoviridis (Johansen 1982) [=Trisclerothrips furvoviridis] MM96
    |    |--L. hurricanus (Stannard 1953) [=*Trisclerothrips hurricanus] MM96
    |    |--L. obesus Hood 1950 MM96
    |    |--L. okajimai MM96
    |    |--L. tepoztlanensis Johansen & Mojica 1984 MM96
    |    |--L. uniformis Pelikan 1964 MM96
    |    |--L. xalapaensis Johansen & Mojica 1984 MM96
    |    `--L. zacualtipanensis Johansen & Mojica 1984
    `--Williamsiella Hood 1925 (see below for synonymy) MM96
         |--*W. bicoloripes Hood 1925 MM96
         |--W. brasiliensis (Priesner 1937) [=Phthirothrips brasiliensis] MM96
         |--W. breviceps (Hood 1925) (see below for synonymy) MM96
         |--W. brevisetis (Hood 1950) [=Phthirothrips brevisetis] MM96
         |--W. capitulatus (Hood 1960) [=Lissothrips capitulatus] MM96
         |--W. claripes (Hood 1940) [=Lissothrips claripes] MM96
         |--W. fictiopediculus (Johansen 1983) [=Lissothrips fictiopediculus] MM96
         |--W. johanseni (Mound 1977) [=Phthirothrips johanseni] MM96
         |--W. longiceps (Hood 1960) [=Phthirothrips longiceps] MM96
         |--W. longisetis (Johansen & Mohica 1984) [=Phthirothrips longisetis] MM96
         |--W. morgani (Hood 1941) [=Phthirothrips morgani] MM96
         |--W. muscoaffinis (Johansen & Mohica 1984) [=Microlissothrips muscoaffinis] MM96
         |--W. nemoralis (Hood 1954) [=Phthirothrips nemoralis] MM96
         |--W. ocellatus (Hood 1939) [=Lissothrips ocellatus] MM96
         |--W. pallipes (Hood 1925) [=Lissothrips pallipes] MM96
         |--*Phthirothrips’ pediculus MM96
         |--W. perotensis (Johansen & Mohica 1984) [=Phthirothrips perotensis] MM96
         |--W. tambopata Mound 1989 MM96
         |--W. texoloensis (Johansen & Mohica 1984) [=*Microlissothrips texoloensis] MM96
         |--W. tipitzinus (Johansen & Mohica 1984) [=Phthirothrips tipitzinus] MM96
         |--W. totonacapanus (Johansen & Mohica 1984) [=Phthirothrips totonacapanus] MM96
         |--W. tricosus (Hood 1960) [=Lissothrips tricosus] MM96
         `--W. ventralis (Hood 1954) [=Lissothrips ventralis] MM96

Williamsiella Hood 1925 [incl. Microlissothrips Johansen & Mojica 1984, Phthirothrips Priesner 1933, Prolissothrips Morgan 1925] MM96

Williamsiella breviceps (Hood 1925) [=Lissothrips breviceps; incl. *Prolissothrips stratulus Morgan 1925, Lissothrips stratulus] MM96

*Type species of generic name indicated


[MM96] Mound, L. A., & R. Marullo. 1996. The thrips of Central and South America: an introduction (Insecta: Thysanoptera). Memoirs on Entomology, International 6: 1-487.

[P60] Priesner, H. 1960. Das System der Tubulifera (Thysanoptera). Anzeiger der Österreichischen Akademie der Wissenschaften Mathematisch-Naturwissenschaftliche Klasse 13: 283-296.

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