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Male secondary sexual structures and the systematics of the Thereus oppia species group (Lepidoptera, Lycaenidae, Eumaeini).

Robbins RK, Heredia MD, Busby RC - Zookeys (2015)

Bottom Line: Diagnostic traits, especially male secondary structures, within the Thereus oppia species group are illustrated.Distributional and biological information is summarized for each species.Three species have been reared, and the caterpillars eat Loranthaceae.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Entomology, PO Box 37012, NHB Stop 105, Smithsonian Institution, Washington, DC 20013-7012 USA.

ABSTRACT
The Thereus oppia species group includes species with and without a scent pad, which is a histologically and morphologically characterized male secondary sexual structure on the dorsal surface of the forewing. To assess the hypothesis that these structures are lost evolutionarily, but not regained (Dollo's Law), the taxonomy of this species group is revised. Thereus lomalarga sp. n., and Thereus brocki sp. n., are described. Diagnostic traits, especially male secondary structures, within the Thereus oppia species group are illustrated. Distributional and biological information is summarized for each species. Three species have been reared, and the caterpillars eat Loranthaceae. An inferred phylogeny is consistent with the hypothesis that scent pads in the Thereus oppia species group have been lost evolutionarily twice (in allopatry), and not re-gained.

No MeSH data available.


Related in: MedlinePlus

Scent patches on the ventral forewing. 13Thereuslomalarga14Thereusoppia, showing the erect androconia attached to the inner margin (also in Thereusbrocki), which occurs in no other Eumaeini. Superficially similar androconia are widespread in tribe Deudorigini. Scale bars: 1.0 mm.
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Figure 3: Scent patches on the ventral forewing. 13Thereuslomalarga14Thereusoppia, showing the erect androconia attached to the inner margin (also in Thereusbrocki), which occurs in no other Eumaeini. Superficially similar androconia are widespread in tribe Deudorigini. Scale bars: 1.0 mm.

Mentions: The Thereusoppia species group, consisting of Thereusorasus (Godman & Salvin) and Thereusoppia (Godman & Salvin), is distinguished from the remainder of the genus by the presence of scent patches near the costa of the dorsal hindwing and on the inner margin of the ventral forewing (Figs 9–14). Thereusoppia also has a “brush” of piliform androconia on the ventral surface of the forewing (Fig. 14), a structure that has not been previously reported in the Eumaeini.


Male secondary sexual structures and the systematics of the Thereus oppia species group (Lepidoptera, Lycaenidae, Eumaeini).

Robbins RK, Heredia MD, Busby RC - Zookeys (2015)

Scent patches on the ventral forewing. 13Thereuslomalarga14Thereusoppia, showing the erect androconia attached to the inner margin (also in Thereusbrocki), which occurs in no other Eumaeini. Superficially similar androconia are widespread in tribe Deudorigini. Scale bars: 1.0 mm.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4591724&req=5

Figure 3: Scent patches on the ventral forewing. 13Thereuslomalarga14Thereusoppia, showing the erect androconia attached to the inner margin (also in Thereusbrocki), which occurs in no other Eumaeini. Superficially similar androconia are widespread in tribe Deudorigini. Scale bars: 1.0 mm.
Mentions: The Thereusoppia species group, consisting of Thereusorasus (Godman & Salvin) and Thereusoppia (Godman & Salvin), is distinguished from the remainder of the genus by the presence of scent patches near the costa of the dorsal hindwing and on the inner margin of the ventral forewing (Figs 9–14). Thereusoppia also has a “brush” of piliform androconia on the ventral surface of the forewing (Fig. 14), a structure that has not been previously reported in the Eumaeini.

Bottom Line: Diagnostic traits, especially male secondary structures, within the Thereus oppia species group are illustrated.Distributional and biological information is summarized for each species.Three species have been reared, and the caterpillars eat Loranthaceae.

View Article: PubMed Central - HTML - PubMed

Affiliation: Department of Entomology, PO Box 37012, NHB Stop 105, Smithsonian Institution, Washington, DC 20013-7012 USA.

ABSTRACT
The Thereus oppia species group includes species with and without a scent pad, which is a histologically and morphologically characterized male secondary sexual structure on the dorsal surface of the forewing. To assess the hypothesis that these structures are lost evolutionarily, but not regained (Dollo's Law), the taxonomy of this species group is revised. Thereus lomalarga sp. n., and Thereus brocki sp. n., are described. Diagnostic traits, especially male secondary structures, within the Thereus oppia species group are illustrated. Distributional and biological information is summarized for each species. Three species have been reared, and the caterpillars eat Loranthaceae. An inferred phylogeny is consistent with the hypothesis that scent pads in the Thereus oppia species group have been lost evolutionarily twice (in allopatry), and not re-gained.

No MeSH data available.


Related in: MedlinePlus