Aedes vexans, the inland floodwater mosquito or tomguito, is a cosmopolitan and common pest mosquito. This species has been collected in southern California.Sandhu TS, Williams GW, Haynes BW, Dhillon MS. Population dynamics of blood-fed female mosquitoes and comparative efficacy of resting boxes in collecting them from the northwestern part of Riverside County, California. J Global Infect Dis [serial online] 2013 [cited 2013 Oct 22];5:15-8.Sandhu TS, Williams GA, Haynes BW, Dhillon MS. Evaluation of arboviral activity at Northwest Mosquito and Vector Control District, Riverside County, California during 2008. Proc and Papers of the Mosq and Vector Control Assoc of Calif, vol 77, 2009. pp. 108-15.
No narrative description available for this taxon yet.
A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Aedes vexans has left across the world's sequence archives.
At a glance
DNA specimens4 883
BINs7
Marker genes5
eDNA detections5 093
Countries39
The DNA barcodethe species' typical barcode, built from every sequenced specimen
COI-5P658 bp consensus3 753 specimens
ACGT
▸ drag or hover over the strip to read any position — letter and how much it varies
Violet ticks below the strip = positions where individuals differ; flat = the species' unchanging signature. 97% of positions are identical in every specimen.
Where individuals differ — all 22 variable positions, in barcode order
Each circle is a barcode variant; bigger = more specimens, colour = region. Lines join the most similar variants and the tick marks count the mutations between them — a tight cluster is one “dialect”, a long line a more divergent lineage. Click a circle to list its actual specimens. Showing the 40 commonest of 1 219 variants.
Diversity (π)1.4%
Haplotypes1 219
BINs7
Most divergent pair11.6%
N.AmericaEuropeOtherOceaniaAsia
Closest relatives by DNA barcode
The species whose COI barcode is most similar to this one — a quick “who is this most like”. The percentage is how much the barcode differs; it approximates, but is not, the full evolutionary tree.
★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.
★COI-3P★COI-5P★ITS216S18S-5P
animal barcodefungal barcoderibosomal
Organelle genome
Besides the big genome in the nucleus, cells carry a small, circular loop of DNA inside the cell's energy factories — the mitochondria. It is inherited almost only from the mother and is a leftover from ancient bacteria that moved into the cell. The mitochondrial markers above (ND*, COX, CYTB…) are read from exactly this loop. Outer ring = one strand, inner ring = the other.
▸ Tap any coloured segment — or a gene chip — to see what it is
◖ violet arc = the COI-5P barcode — the ~650 bp read used to ID this species
Pick a coloured segment on the ring — or a gene chip — to read what that gene does.
protein-codingrRNAtRNA
08Occurrence & distribution
Record type259 287 records
Wild obs. + sensor241 059
Museum / vouchered11 813
Other6 415
Origin
Native6 414
Range
Area of Occupancy AOO24 492 km²
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Coordinate accuracy66% within 1 km
≤100 m 779≤1 km 428≤10 km 370>10 km 257
1 834 georeferenced · 239 225 without coordinates
Open the mapobservation + sensor241 059
Museum / Voucheredphysical evidence
Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.
Coordinate accuracy93% within 1 km
≤100 m 6 643≤1 km 128≤10 km 462>10 km 83
7 316 georeferenced · 4 497 without coordinates
Open the institutions mapphysical evidence11 813
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
10Collections & institutions
Holding institutions24 of 50 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
Institution
Specimens
Tempe, US
6 382
University of Guelph, Centre for Biodiversity Genomicslocation not on record
1 322
Mosquitolocation not on record
1 219
East Lansing, US
301
Champaign, US
171
Ann Arbor, US
160
Saint John, CA
149
Ciudad de México, MX
146
Wuzhou, CN
131
Chicago, US
109
San Francisco, US
107
CUlocation not on record
74
New Haven, US
66
Washington, US
52
Vancouver, CA
50
UNHClocation not on record
49
Natick, US
32
WIlocation not on record
20
Biodiversity Institute of Ontariolocation not on record
19
Cambridge, US
17
National Ecological Observatory Network, United Stateslocation not on record
11
University of Guelphlocation not on record
11
Denver, US
11
Edmonton, CA
9
Royal Saskatchewan Museumlocation not on record
9
Tartu, EE
9
Brussels, BE
8
RBINS-Scientific Heritagelocation not on record
7
Trondheim, NO
6
St. Paul, US
5
San Nicolás de los Garza, MX
5
Cleveland Museum of Natural History, OH (CLEV)location not on record
5
SLU Artdatabankenlocation not on record
3
Torreón, MX
3
US
2
Australian National Fish Collectionlocation not on record
2
Centre for Biodiversity Genomicslocation not on record
2
Albuquerque, US
2
ITGlocation not on record
2
Centro Regional de Investigación en Salud Pública, Instituto Nacional de Salud Públicalocation not on record
2
University of Arizona, Insect Collectionlocation not on record
1
University of Alabamalocation not on record
1
RKlocation not on record
1
University of Wisconsin-Stevens Pointlocation not on record
1
DFFW2018location not on record
1
Animal and Plant Health Agency, UKlocation not on record
1
DFlocation not on record
1
NARlocation not on record
1
SUMClocation not on record
1
University of Alberta Museums (UAM)location not on record
1
50 institutions · 10 700 of 11 813 vouchered records shown · 1 050 without an institution code
09Environmental DNA5 093 detections
Where the DNA of Aedes vexans was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.
Signal
Detections DNA found5 093
Studies independent surveys5
Countries36
Verifiable raw sequence linked100
Signal confidence: moderateweighed across independent studies, places & mapped detections
DNA read depthRead counts were not reported for this species — the map shows presence only, not how strong each trace was.
Modelled climatemodelled
−15°Ctemperature across detection sites+40°C
Temperature median15.7 °C 13.0–21.7
Seasonal swing summer↔winter26.1 °C
Max temp (day)21.8 °C 17.6–26.2
Min temp (night)12.0 °C 8.70–18.6
Precipitation77.9 mm/mo 51.9–110
Air humidity57.0 % 54.0–60.2
Moisture balance-56.6 mm/mo -96.0–0.9
Vapour deficit770 Pa 651–1,086
Wind speed2.60 m/s 1.90–5.00
Cloud cover37.6 % 33.8–44.6
CHELSA 1981–2010, ~9 km grid, at location & month of 3 164 detection points · median with p10–p90 · reflects where sampling happened, not only the true niche
How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.
WikipediaWikimedia Foundation7 languages↗
BioWikiNetmultilingual Wikipediamultilingual↗
GBIFGlobal Biodiversity Information Facility259 287 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI5 093 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics4 883 specimens↗
Open Tree of LifeOpenTreephylogeny backbone↗
GLoBIGlobal Biotic Interactionsbiotic interactions↗