Insects › Narrow-winged Damselflies
Spearhead bluet
Coenagrion hastulatum
25 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
Azure DamselflyCoenagrion puella
Common Blue DamselflyEnallagma cyathigerum
Variable BluetCoenagrion pulchellum
Blue FeatherlegPlatycnemis pennipes
Arctic BluetCoenagrion johanssoni
Irish DamselflyCoenagrion lunulatum
Ornate BluetCoenagrion ornatum
Southern DamselflyCoenagrion mercuriale
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 27,951 |
|---|---|
| Alaska | 27,951 |
| Russia | 2,873 |
| Finland | 676 |
| Moscow Oblast | 343 |
| Sverdlovsk Oblast | 340 |
| Vladimir Oblast | 258 |
| Kirov Oblast | 200 |
| Arkhangelsk Oblast | 183 |
| Tver Oblast | 180 |
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 | Narrow-winged Damselflies · Coenagrionidae |
| Genus | Northern Bluets · Coenagrion |
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 Spearhead bluet with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.