Insects › Skimmers
Blue Dasher
Pachydiplax longipennis
28 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Eastern PondhawkErythemis simplicicollis
Western PondhawkErythemis collocata
Great Blue SkimmerLibellula vibrans
Little Blue DragonletErythrodiplax minuscula
Thornbush DasherMicrathyria hagenii
Common Green DarnerAnax junius
Seaside DragonletErythrodiplax berenice
Oriental Blue DasherBrachydiplax chalybea
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 138,584 |
|---|---|
| Texas | 25,887 |
| Ohio | 18,702 |
| Canada | 9,125 |
| California | 6,746 |
| Ontario | 6,674 |
| New Jersey | 5,372 |
| New York | 5,145 |
| Massachusetts | 5,090 |
| North Carolina | 4,948 |
Counts show where people looked, not only where it lives.
Traits
Physical
- Aquatic larvaLarval stage lives in water before becoming terrestrialFrom its classification
- ExoskeletonHas a hard external skeletonFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Arthropods · Arthropoda |
| Class | Insects · Insecta |
| Order | Dragonflies and Damselflies · Odonata |
| Family | Skimmers · Libellulidae |
| Genus | Blue Dashers · Pachydiplax |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Blue Dasher with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.