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Extravagant female sexual display in a Megaselia Rondani species (Diptera: Phoridae).

Brown BV, Porras W - Biodivers Data J (2015)

Bottom Line: The behavior of females of a species of Megaselia is described.During this dance, they evert bright white abdominal sacs that apparently constitute part of a visual display to attract males.The evolutionary basis of these behaviors is discussed.

View Article: PubMed Central - PubMed

Affiliation: Natural History Museum of Los Angeles County, Los Angeles, United States of America.

ABSTRACT
The behavior of females of a species of Megaselia is described. Females perch on leaves and occasionally "dance", fluttering their wings while rapidly running on the leaf surface. During this dance, they evert bright white abdominal sacs that apparently constitute part of a visual display to attract males. The evolutionary basis of these behaviors is discussed.

No MeSH data available.


Related in: MedlinePlus

Closeup of displaying female.
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Figure 765351: Closeup of displaying female.

Mentions: Adult females of an unidentified species of Megaselia Rondani were observed perching on leaves of small plants and ferns directly above a small creek. Mostly, the flies were inactive, but occasionally (when the sun came out) they began to display, by raising and fluttering their wings (Fig. 2), "dancing" (running in circles) on the leaves, and expanding the sacklike swellings in the posterior part of the abdomen (Fig. 3). Additionally, the inside surface of the hind tibia was somehow manipulated to reflect light, creating a silvery sheen (Fig. 4). The display was observed three times: once with a pair of females displaying together (Fig. 2), once with a male in attendance (Fig. 5), and once captured on video (Fig. 4). Each display lasted only a few seconds.


Extravagant female sexual display in a Megaselia Rondani species (Diptera: Phoridae).

Brown BV, Porras W - Biodivers Data J (2015)

Closeup of displaying female.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4385884&req=5

Figure 765351: Closeup of displaying female.
Mentions: Adult females of an unidentified species of Megaselia Rondani were observed perching on leaves of small plants and ferns directly above a small creek. Mostly, the flies were inactive, but occasionally (when the sun came out) they began to display, by raising and fluttering their wings (Fig. 2), "dancing" (running in circles) on the leaves, and expanding the sacklike swellings in the posterior part of the abdomen (Fig. 3). Additionally, the inside surface of the hind tibia was somehow manipulated to reflect light, creating a silvery sheen (Fig. 4). The display was observed three times: once with a pair of females displaying together (Fig. 2), once with a male in attendance (Fig. 5), and once captured on video (Fig. 4). Each display lasted only a few seconds.

Bottom Line: The behavior of females of a species of Megaselia is described.During this dance, they evert bright white abdominal sacs that apparently constitute part of a visual display to attract males.The evolutionary basis of these behaviors is discussed.

View Article: PubMed Central - PubMed

Affiliation: Natural History Museum of Los Angeles County, Los Angeles, United States of America.

ABSTRACT
The behavior of females of a species of Megaselia is described. Females perch on leaves and occasionally "dance", fluttering their wings while rapidly running on the leaf surface. During this dance, they evert bright white abdominal sacs that apparently constitute part of a visual display to attract males. The evolutionary basis of these behaviors is discussed.

No MeSH data available.


Related in: MedlinePlus