MammalBase - Accepted taxon: Lasiurus ega

Accepted taxon: Lasiurus ega
Taxon:	Lasiurus ega
Rank:	Species
Higher Classification:	CHIROPTERA \| Vespertilionidae \| Vespertilioninae \| Lasiurini \| Lasiurus \| Dasypterus
Reference:	Wilson, Don E., and DeeAnn M. Reeder, eds. Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), JHU Press, 2005.

Fig.1 - Ternary plot of the proximate analysis for the Lasiurus ega diet.
CF (Crude Fibre) 10, ASH (Ash contents) 4, NFE (Nitrogen-Free-Extract) 16, CP (Crude Protein) 52, EE (Ether Extract) 18. See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets. Mammalian Biology, pp.1-15. [DOI]

Table 1. List of Diet Items for Lasiurus ega.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Insecta	WHOLE	100.00	Damuth, J…

^a. Standardized values. See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets. Mammalian Biology, pp.1-15. [DOI]

Table 2. List of Standard Traits for Lasiurus ega.
Trait	Selected Value	All Value(s)	Reference(s)
Dietary category: Miljutin 2009	Animalivore	Animalivore	– Arriaga-Flores, J., Castro-Arellano, I., Moreno-Valdez, A., Correa-Sandoval, A. 2012. Temporal niche overlap of a riparian forest bat assemblage in subtropical Mexico. Revista Mexicana de Mastozoología (Nueva Epoca). 2(1), pp.3. Available at: 10.22201/ie.20074484e.2012.2.1.18., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition, Robert M. R. Barclay, R. Mark Brigham, 1991, 'Prey Detection, Dietary Niche Breadth, and Body Size in Bats: Why are Aerial Insectivorous Bats so Small?', The American Naturalist, vol. 137, no. 5, p. 693, Rodrigo A. Medellin, 1994, 'Mammal Diversity and Conservation in the Selva Lacandona, Chiapas, Mexico', Conservation Biology, vol. 8, no. 3, pp. 780-799
Dietary category: Eisenberg 1981	Insectivore	Insectivore, Insectivore-Omnivore	– Arriaga-Flores, J., Castro-Arellano, I., Moreno-Valdez, A., Correa-Sandoval, A. 2012. Temporal niche overlap of a riparian forest bat assemblage in subtropical Mexico. Revista Mexicana de Mastozoología (Nueva Epoca). 2(1), pp.3. Available at: 10.22201/ie.20074484e.2012.2.1.18., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition, Robert M. R. Barclay, R. Mark Brigham, 1991, 'Prey Detection, Dietary Niche Breadth, and Body Size in Bats: Why are Aerial Insectivorous Bats so Small?', The American Naturalist, vol. 137, no. 5, p. 693, Rodrigo A. Medellin, 1994, 'Mammal Diversity and Conservation in the Selva Lacandona, Chiapas, Mexico', Conservation Biology, vol. 8, no. 3, pp. 780-799
Temporal habits	nocturnal	nocturnal	– Rodrigo A. Medellin, 1994, 'Mammal Diversity and Conservation in the Selva Lacandona, Chiapas, Mexico', Conservation Biology, vol. 8, no. 3, pp. 780-799
Locomotion: Eisenberg 1981	Volant	Volant	– Arriaga-Flores, J., Castro-Arellano, I., Moreno-Valdez, A., Correa-Sandoval, A. 2012. Temporal niche overlap of a riparian forest bat assemblage in subtropical Mexico. Revista Mexicana de Mastozoología (Nueva Epoca). 2(1), pp.3. Available at: 10.22201/ie.20074484e.2012.2.1.18., Ospina-Garcés, S., Zamora-Gutierrez, V., Lara-Delgado, J., Morelos-Martínez, M., Ávila-Flores, R., Kurali, A., Ortega, J., Selem-Salas, C., MacSwiney G, M. 2023. The relationship between wing morphology and foraging guilds: exploring the evolution of wing ecomorphs in bats. Biological Journal of the Linnean Society. None(None), pp.None. Available at: 10.1093/biolinnean/blad157., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition, Rodrigo A. Medellin, 1994, 'Mammal Diversity and Conservation in the Selva Lacandona, Chiapas, Mexico', Conservation Biology, vol. 8, no. 3, pp. 780-799

Table 3. List of Standard Measurements for Lasiurus ega.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	Brazil	g	-	-	-	-	10	12.5	15	-	Paglia,A.…
Body Mass (BM)	Venezuela	g	-	-	-	-	-	13.02	-	-	Molinari,…
Body Mass (BM)	North America	g	-	-	-	-	-	11	-	-	Robert M.…
Body Mass (BM)	La Peregrina Canyon, Tamaulipas, Mexico	g	1	1	-	-	-	16	-	-	Arriaga-F…
Body Mass (BM)	Central America	g	-	-	-	-	-	11	-	-	Robert M.…
Body Mass (BM)	Paraguay	g	-	-	-	-	-	12.65	-	-	Molinari,…
Forearm Length (FA)	Venezuela	mm	-	-	-	-	-	48.61	-	-	Molinari,…
Forearm Length (FA)	Paraguay	mm	-	-	-	-	-	47.1	-	-	Molinari,…

Table 4. List of other Measurements ^b. for Lasiurus ega.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Skull length	Paraguay	mm	-	-	-	-	-	16	-	-	Molinari,…
Skull length	Venezuela	mm	-	-	-	-	-	16	-	-	Molinari,…
relative wing loading (RWL)	nan	unitless	2	2	-	-	-	40	-	-	Ospina-Ga…
wing aspect ratio (WAR)	nan	unitless	2	2	-	-	-	7	-	-	Ospina-Ga…
wing mean centroid size (CS, cm)	nan	cm	2	2	-	-	-	17	-	-	Ospina-Ga…

^b. other Measurements. Source Measurements which are not listed on or mapped with the Standard Traits..

Table 5. List of Data Sources for Lasiurus ega.
Taxon	Reference	Match	Status
Lasiurus ega	Brigham,R. M., 1991, Prey detection, dietary niche breadth, and body size in bats: why are aerial insectivorous bats so small?, The American Naturalist	1: Exact Taxon match	Verified - Accepted
Lasiurus ega	Paglia,A. P., 2012, Lista Anotada dos MamÃƒÂferos do Brasil 2Ã‚Âª EdiÃƒÂ§ÃƒÂ£o Annotated Checklist of Brazilian Mammals,	1: Exact Taxon match	Verified - Accepted
Lasiurus ega	MedellÃƒÂn,R. A., 1994, Mammal diversity and conservation in the Selva Lacandona, Chiapas, Mexico, Conservation Biology	1: Exact Taxon match	Verified - Accepted
Lasiurus ega	Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities.	1: Exact Taxon match	Verified - Accepted
Lasiurus ega	Arriaga-Flores, J.C., Castro-Arellano, I., Moreno-Valdez, A. and Correa-Sandoval, A., 2012. Temporal niche overlap of a riparian forest bat assemblage in subtropical Mexico. Revista Mexicana de Mastozoología (Nueva Época), 2(1), pp.3-17.	1: Exact Taxon match	Verified - Accepted
Lasiurus ega	Molinari, J., A global assessment of the 'island rule' in bats based on functionally distinct measures of body size. Journal of Biogeography.	1: Exact Taxon match	Verified - Accepted
Lasiurus ega	DeMers, A.C., 2023. Functional Significance of the Mandible, Tooth Roots, and Tooth Crowns, and their Implications for Fossil Dietary Inference (Doctoral dissertation, The Ohio State University).	1: Exact Taxon match	Verified - Accepted
Lasiurus ega	Ospina-Garcés, S.M., Zamora-Gutierrez, V., Lara-Delgado, J.M., Morelos-Martínez, M., Ávila-Flores, R., Kurali, A., Ortega, J., Selem-Salas, C.I. and MacSwiney G, M.C., 2023. The relationship between wing morphology and foraging guilds: exploring the evolution of wing ecomorphs in bats. Biological Journal of the Linnean Society, p.blad157.	1: Exact Taxon match	Verified - Accepted

Citation for this page: [The MammalBase community 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Lasiurus ega , Accessed 17th January 2026 at https://mammalbase.net/me/13019]