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Cylindrosella

Cylindrosella dampfi

W. Eugene Hall
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Cylindrosella dampfi habitus
Containing group: Nanosellini

Introduction

Cylindrosella currently contains one described (Barber, 1924) and two undescribed species found in North America. The type species, C. dampfi, was collected on a polypore fungus, Fomes pinicola, at 3200 meters in Mexico.

Ptiliid species generally possess varying spermathecal designs, but striking similarities exist between C. dampfi and an undescribed species occurring in southwestern United States.

 

movie iconView Cylindrosella on undersurface of polypore

 movie iconView Cylindrosella climbing out of a polypore spore tube

Characteristics

Cylindrosella can be separated from other ptiliid genera by the elongated, moderately narrow form (Barber 1924, Dybas 1990). Body length can be up to five times as long as wide. The mesosternal process is directed posteriorly, and generally 'arrowhead-shaped.'

The larva illustrated by Barber (1924: plate 7) as possibly representing Cylindrosella more than likely belongs to the Staphylinidae (Dybas, 1976:50). Ptiliid larvae lack eyespots (exception Nossidium), and larvae of Nanosellinae do not posses urogomphi.

Geographical Distributions

Cylindrosella dampfi is currently known only from the type locality in Mexico. Two undescribed species occur in the western (Arizona, New Mexico) and eastern (Illinois, Michigan, Indiana, Kentucky) regions of the United States, associated with the fungus Fomitopsis pinicola.

Other Names for Cylindrosella dampfi

References

Barber, H.S. 1924. New Ptiliidae related to the smallest known beetle. Proc. Ent. Soc. Wash. 26(6):167-178.

Dybas, H.S. 1990. Ptiliidae. in Soil Biology Guide. Daniel L. Dindal, editor. Wiley-Interscience, New York.

Dybas, H.S. 1976. The larval characters of featherwing and limulodid beetles and their family relationships in the Staphylinoidea (Coleoptera: Ptiliidae and Limulodidae). Fieldiana. Zoology 70(3):29-78.

Title Illustrations
Click on an image to view larger version & data in a new window
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Cylindrosella dampfi habitus
Scientific Name Cylindrosella dampfi
Location Arizona
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License - Version 3.0.
Copyright © 1997
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University of Arizona

Page: Tree of Life Cylindrosella. Cylindrosella dampfi. Authored by W. Eugene Hall. The TEXT of this page is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License - Version 3.0. Note that images and other media featured on this page are each governed by their own license, and they may or may not be available for reuse. Click on an image or a media link to access the media data window, which provides the relevant licensing information. For the general terms and conditions of ToL material reuse and redistribution, please see the Tree of Life Copyright Policies.

Citing this page:

Hall, W. Eugene. 1997. Cylindrosella. Cylindrosella dampfi. Version 01 January 1997 (under construction). http://tolweb.org/Cylindrosella_dampfi/9657/1997.01.01 in The Tree of Life Web Project, http://tolweb.org/

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