Arroyo bluet: Difference between revisions

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{{Short description|Species of damselfly}}
{{Taxobox
{{Speciesbox
| image = Enallagma praevarum-Male-2.jpg
| image = Enallagma praevarum-Male-2.jpg
| status = LC | status_system = IUCN3.1
| image_width = 240px
| status_ref = <ref name=IUCN>{{cite iucn |author=Paulson, D.R. |year=2017 |title=''Enallagma praevarum'' |volume=2017 |page=e.T51357444A80690054 |doi=10.2305/IUCN.UK.2017-3.RLTS.T51357444A80690054.en |access-date=13 January 2022}}</ref>
| regnum = [[Animal]]ia
⚫
| taxon = Enallagma praevarum
| phylum = [[Arthropoda]]
⚫
| authority = ([[Hermann August Hagen|Hagen]], 1861)
| classis = [[Insecta]]
| ordo = [[Odonata]]
| subordo = [[Zygoptera]]
| familia = [[Coenagrionidae]]
| genus = ''[[Enallagma]]''
| species = '''''E. praevarum'''''
⚫
| binomial = ''Enallagma praevarum''
⚫
| binomial_authority = ([[Hermann August Hagen|Hagen]], 1861)
}}
}}


The '''arroyo bluet''' (''Enallagma praevarum'') is a [[damselfly]] of the family [[Coenagrionidae]], native to the western [[United States]], south to southern [[Mexico]].
The '''arroyo bluet''' ('''''Enallagma praevarum''''') is a [[damselfly]] of the family [[Coenagrionidae]], native to the western [[United States]], south to southern [[Mexico]]. It is associated with slow-flowing streams or lake margins with emergent vegetation.<ref name=IUCN/>


== Anatomy and morphology ==
⚫
==References==


=== Male ===
* {{ITIS |id=102127 |taxon=Enallagma praevarum |accessdate=9 February 2006}}
Males have blue eyes, accompanied by oval, raindrop shaped turquoise spots above each eye. Their abdomen is blue with large black rectangular spots lining the top, ending in an abdomen tip of the same color set.<ref name="auto">{{cite book |last1=Abbott |first1=John C. |title=Damselflies of Texas: A Field Guide |date=2011 |publisher=University of Texas Press |isbn=978-0-292-77332-5 }}{{pn|date=March 2023}}</ref>

[[File:Enallagma praevarum-Male-3.jpg|thumb|A male Arroyo Bluett]]

=== Female ===
Females possess the same build as males, but can also be found in tan or lighter blue shades rather than turquoise. Their legs are a lighter brown color (as opposed to black), and the spots above their eyes are usually larger than their male counterparts.<ref name="auto"/>

== Distribution and habitat ==

=== Distribution ===
Arroyo Bluets occupy both the west coast of [[Southern California]] and the region of  sagebrush along the northeastern California border. The [[Elevation|elevations]] at which the Arroyo bluet can be most commonly found are best described as intermediate. In northeastern California, the Arroyo Bluet has been recorded from sea level at elevations up to 4,600 feet or 1,400 meters.<ref name="auto"/> These damselflies are abundant in western [[Texas]], <ref name="auto"/> along with south [[Nevada]], and statewide-spread throughout [[Arizona]] and [[New Mexico]].<ref name="auto2">{{cite book |last1=Paulson |first1=Dennis |title=Dragonflies and Damselflies of the West |date=2009 |publisher=Princeton University Press |isbn=978-1-4008-3294-1 }}{{pn|date=March 2023}}</ref>

=== Habitat ===
The habitat of the Arroyo Bluet typically consists of open regions with abundances of shrubs and trees. The climate of their habitat is  typically arid. The Arroyo Bluet tends to inhabit areas in which there are bodies of water such as ponds and the backwaters of arroyos, washes, canyons, and rivers. Their habitat may be generally referred to as riparian thickets.<ref name="auto3">{{cite book |last1=Manolis |first1=Tim |title=Dragonflies and Damselflies of California |date=2003 |publisher=University of California Press |isbn=978-0-520-23566-3 }}{{pn|date=March 2023}}</ref>

== Behavior ==
The Arroyo Bluet exhibits behavior that is similar to other bluets. It forages in its habitat and in the opposite direction of where water is located such as in oak savannas and grasslands. The flight season of the Arroyo Bluet consists of the month of March until October.<ref name="auto3"/>

Males are often found near water where vegetation is abundant. Females are often found in mating pairs. Female pairs will [[Ovipositor|oviposit]] within vegetation that is floating. They submerge themselves underwater to lay eggs while males guard above water.<ref name="auto2"/>

⚫
==References==
{{reflist}}


==External links==
==External links==
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[[Category:Fauna of the California chaparral and woodlands]]
[[Category:Fauna of the California chaparral and woodlands]]
[[Category:Insects described in 1861]]
[[Category:Insects described in 1861]]
[[Category:Taxa named by Hermann August Hagen]]




{{damselfly-stub}}
{{Coenagrionidae-stub}}

Latest revision as of 18:39, 13 September 2023

Arroyo bluet
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Odonata
Suborder: Zygoptera
Family: Coenagrionidae
Genus: Enallagma
Species:
E. praevarum
Binomial name
Enallagma praevarum
(Hagen, 1861)

The arroyo bluet (Enallagma praevarum) is a damselfly of the family Coenagrionidae, native to the western United States, south to southern Mexico. It is associated with slow-flowing streams or lake margins with emergent vegetation.[1]

Anatomy and morphology[edit]

Male[edit]

Males have blue eyes, accompanied by oval, raindrop shaped turquoise spots above each eye. Their abdomen is blue with large black rectangular spots lining the top, ending in an abdomen tip of the same color set.[2]

A male Arroyo Bluett

Female[edit]

Females possess the same build as males, but can also be found in tan or lighter blue shades rather than turquoise. Their legs are a lighter brown color (as opposed to black), and the spots above their eyes are usually larger than their male counterparts.[2]

Distribution and habitat[edit]

Distribution[edit]

Arroyo Bluets occupy both the west coast of Southern California and the region of  sagebrush along the northeastern California border. The elevations at which the Arroyo bluet can be most commonly found are best described as intermediate. In northeastern California, the Arroyo Bluet has been recorded from sea level at elevations up to 4,600 feet or 1,400 meters.[2] These damselflies are abundant in western Texas, [2] along with south Nevada, and statewide-spread throughout Arizona and New Mexico.[3]

Habitat[edit]

The habitat of the Arroyo Bluet typically consists of open regions with abundances of shrubs and trees. The climate of their habitat is  typically arid. The Arroyo Bluet tends to inhabit areas in which there are bodies of water such as ponds and the backwaters of arroyos, washes, canyons, and rivers. Their habitat may be generally referred to as riparian thickets.[4]

Behavior[edit]

The Arroyo Bluet exhibits behavior that is similar to other bluets. It forages in its habitat and in the opposite direction of where water is located such as in oak savannas and grasslands. The flight season of the Arroyo Bluet consists of the month of March until October.[4]

Males are often found near water where vegetation is abundant. Females are often found in mating pairs. Female pairs will oviposit within vegetation that is floating. They submerge themselves underwater to lay eggs while males guard above water.[3]

References[edit]

  1. ^ a b Paulson, D.R. (2017). "Enallagma praevarum". IUCN Red List of Threatened Species. 2017: e.T51357444A80690054. doi:10.2305/IUCN.UK.2017-3.RLTS.T51357444A80690054.en. Retrieved 13 January 2022.
  2. ^ a b c d Abbott, John C. (2011). Damselflies of Texas: A Field Guide. University of Texas Press. ISBN 978-0-292-77332-5.[page needed]
  3. ^ a b Paulson, Dennis (2009). Dragonflies and Damselflies of the West. Princeton University Press. ISBN 978-1-4008-3294-1.[page needed]
  4. ^ a b Manolis, Tim (2003). Dragonflies and Damselflies of California. University of California Press. ISBN 978-0-520-23566-3.[page needed]

External links[edit]


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