•  
  •  
 

Document Type

Research

Abstract

Of the seventeen genera listed by Baker and Wharton (1952) under the family Diplogyniidae, only three had been described before the publication of Trägardh's paper in 1951. The first is Diplogynium Canestrini, 1888 (= Anoplocelaeno Berlese, 1910), of which the type is Diplogynium acuminatum Canestrini, 1888. A study of the description by Canestrini (1888) reveals a lack of information essential for present-day purposes of comparison and classification, especially as it pertains to shape and arrangement of ventral plates and the numbers and distribution of the hairs on these plates. His illustration of D. acuminatum suggests a characteristic placement of the third pair of sternal hairs; however, this detail is rather obscurely depicted. In this regard, Tragardh states: ". . . it is, however, obvious that the description and figures, given by Canestrini, although very good for the time when they were published, are quite insufficient now for identification purposes." The second genus, Antennocelaeno Berlese, 1904, was described by Berlese as a subgenus of Celaenopsis. His description is as follows: "Characteres generis Celaenopsis sed ambulacra magna unguibus nullis. Insecticoli. Typus C. Braunsi (Wasm.). Antennophorus Braunsi Wasmann, termitophilus." Wasmann (1902) described A. braunsi as a guest in colonies of the "Schornsteintermite", Termes tubicola Wasm., near Bothaville in the Orange Free State. The most specific part of the description is "Ihr hellbrauner Ri.ickenschild ist vollkommen kreisformig, glatt und glanzend, unbehaart, auch ohne Marginalborsten, schwach und gleichmassig gewolbt." The shape of the dorsal plate and absence of hairs are in definite contrast with the comparable characters of the specimens to be considered in this paper. The third genus is Passalacarus described by Pearse and Wharton in 1936 and redescribed by Trägardh (1951). The characters of this genus are so distinct that they merit no further comment in this paper.

Publication Date

1957

Journal Title

Proceedings of the Iowa Academy of Science

Volume

64

Issue

1

First Page

614

Last Page

620

Copyright

© Copyright 1957 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

Share

COinS
 

To view the content in your browser, please download Adobe Reader or, alternately,
you may Download the file to your hard drive.

NOTE: The latest versions of Adobe Reader do not support viewing PDF files within Firefox on Mac OS and if you are using a modern (Intel) Mac, there is no official plugin for viewing PDF files within the browser window.