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Pseudolycaena Wallengren 1858

Andrew V. Z. Brower
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Containing group: Eumaeini


This neotropical genus of large iridescent blue hairstreaks has recently been expanded from two species to five by the revision of Austin et al. (2007).

Discussion of Phylogenetic Relationships

Austin et al. (2007) recognize two species groups based upon the presence (marsyas group) or absence (damo group) of vincular brush organs in the male genitalia. Eliot (1973) suggests that Pseudolycaena belongs to a group of genera that possess such organs, so the damo group is here represented as a clade supported by a synapomorphic loss of this feature.


Austin, G. T., Miller, L. D. & Miller, J. Y. 2007 Taxonomic comments on Pseudolycaena Wallengren (Lepidoptera: Lycaenidae: Theclinae: Eumaeini). Bull. Allyn Mus. 149, 1-22.

Eliot, J. N. 1973 The higher classification of the Lycaenidae (Lepidoptera): a tentative arrangement. Bull. Br. Mus. Nat. Hist. (Ent.) 28, 371-505, 6 pls.

Robbins, R. K. 2004. 2004e. Lycaenidae. Theclinae. Tribe Eumaeini, pp. 118-137. In: Lamas, G. (Ed.), Checklist: Part 4A. Hesperioidea - Papilionoidea. In: Heppner, J. B. (Ed.), Atlas of Neotropical Lepidoptera. Volume 5A. Gainesville, Association for Tropical Lepidoptera; Scientific Publishers.

Title Illustrations
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Scientific Name Pseudolycaena marsyas on Eschweilera ovata
Location Entre Rios, Bahia, Brazil (12S 38W)
Specimen Condition Live Specimen
Source Pseudolycaena marsyas
Source Collection Flickr
Image Use creative commons This media file is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs License - Version 2.0.
Copyright © 2007 Alex Popovkin
Scientific Name Pseudolycaena damo
Location Mexico: Mazatlan
Comments THe acute forewing apex is characteristic of this genus.
Specimen Condition Live Specimen
Identified By Priscilla Brodkin
Life Cycle Stage adult
View ventral
Source Damo Hairstreak
Source Collection Neotropical Butterflies
Copyright © 2003 Priscilla Brodkin
About This Page

Middle Tennessee State University, Murfreesboro, Tennessee, USA

Correspondence regarding this page should be directed to Andrew V. Z. Brower at

Page: Tree of Life Pseudolycaena Wallengren 1858. Authored by Andrew V. Z. Brower. The TEXT of this page is licensed under the Creative Commons Attribution 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:

Brower, Andrew V. Z. 2008. Pseudolycaena Wallengren 1858. Version 24 March 2008 (under construction). http://tolweb.org/Pseudolycaena/112446/2008.03.24 in The Tree of Life Web Project, http://tolweb.org/

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