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Keith Bayless
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Containing group: Sarginae


Ptecticus is a speciose, cosmopolitan genus, with its species diversity mostly centered in the Neotropical and Oriental zoogeographic regions. The Nearctic fauna is the most depauperate bioregion, with 5 species. Ptecticus adults are often collected aggregating around rotten fruit and fungus. P. trivittatus is abundant around compost heaps in the Eastern United States (Woodley 2001).


Ptecticus can be distinguished from other Nearctic Sarginae by the bare eye, the absence of a distal projection on the calypter, and the anteriorly concave antennal pedicel, with the postpedicel on a finger-like projection (James 1981).


James, M.T. 1981. 36. Stratiomyidae. Manual Nearct. Dipt. 1: 497-511.

Rozkošný, R. & Hauser, M. 2001. Additional records of Ptecticus Loew from Sri Lanka, with a new species and a new name (Diptera: Stratiomyidae). Stud. Dipt. 8:217-223.

Woodley, N. E. 2001. A World Catalog of the Stratiomyidae (Insecta: Diptera). Myia 11: 1-473. Backhuys Publishers, Leiden.

Information on the Internet

Title Illustrations
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Scientific Name Ptecticus trivittatus
Location Lake Fayetteville, Washington County, Arkansas, USA
Specimen Condition Live Specimen
Identified By Martin Hauser
Life Cycle Stage Adult
Size ~15 mm
Source Photo#113222
Source Collection BugGuide.Net
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs License - Version 1.0.
Copyright © Edward Trammel
About This Page

Keith Bayless
North Carolina State University, Raleigh, North Carolina, USA

Correspondence regarding this page should be directed to Keith Bayless at

All Rights Reserved.

Citing this page:

Bayless, Keith. 2008. Ptecticus. Version 28 September 2008 (under construction). http://tolweb.org/Ptecticus/108776/2008.09.28 in The Tree of Life Web Project, http://tolweb.org/

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