Microphotus
LeConte, 1866
Microphotus is a of ( ) to the southwestern United States and adjacent Mexico. The genus comprises ten described , with seven occurring in the United States and three in Mexico. Members are commonly known as desert fireflies, with Microphotus octarthrus specifically bearing this . The genus was established by LeConte in 1866 and has been the subject of recent taxonomic revisions describing several new species in 2021.
Pronunciation
How to pronounce Microphotus: //ˌmaɪ.kroʊˈfoʊ.təs//
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Identification
Microphotus are distinguished from other by their restricted geographic range in arid southwestern North America. Specific diagnostic characters for the genus include features of the male , which have been emphasized in recent taxonomic descriptions (e.g., curved, , or dilated shapes referenced in species epithets). Females of some species are and lack , a trait shared with some other lampyrid genera but requiring examination of associated males for definitive identification.
Images
Habitat
Arid and semi-arid environments of the southwestern United States and adjoining regions of Mexico, including desert and scrubland .
Distribution
Southwestern United States (Arizona, New Mexico, Texas, and adjacent areas) and northern Mexico. Specific have more restricted ranges; for example, Microphotus chiricahuae is associated with the Chiricahua Mountains.
Behavior
Bioluminescent signaling has been observed in of this , consistent with . activity patterns specific to Microphotus have not been well documented in published sources.
Similar Taxa
- PhotinusA widespread and diverse with overlapping bioluminescent ; Microphotus is distinguished by its restricted southwestern distribution and desert preferences.
- PhoturisAnother common with predatory females; differs from Microphotus in geographic range (eastern and central North America predominant) and female .
More Details
Recent taxonomic activity
Three new were described in 2021 by Zaragoza-Caballero and colleagues: Microphotus curvophallus, Microphotus morronei, and Microphotus robustophallus, indicating ongoing revisionary work on this .
Species diversity
The contains ten described , though iNaturalist and Wikipedia sources differ slightly in their counts (eight versus ten), with the higher figure reflecting more recent taxonomic updates.