Blue

Guides

• Arge cerulea

  Arge cerulea is a species of sawfly in the family Argidae. Members of the genus Arge are commonly known as birch sawflies or rose sawflies, though specific common names for A. cerulea are not well documented. The species is characterized by its blue or cerulean coloration, as indicated by its specific epithet. Sawflies in this family are herbivorous, with larvae typically feeding on various woody plants. Adults are often found on flowers or foliage of host plants.

  ArgidaesawflyHymenopteraSymphytaherbivoreblueceruleanwoody-plants

• Celastrina echo nigrescens

  Northwestern Azure

  Celastrina echo nigrescens, the Northwestern Azure, is a subspecies of the western azure butterfly in the family Lycaenidae. It is currently recognized as a synonym of Celastrina ladon. The subspecies was described by J. Fletcher in 1903. Like other azure butterflies, it is associated with specific host plants including California buckeye (Aesculus californica).

  azurebluebutterflysynonymwestern-North-AmericaLycaenidae

• Neoharmonia venusta ampla

  V-marked Lady Beetle

  Neoharmonia venusta ampla is a subspecies of lady beetle (Coccinellidae) distinguished by its striking metallic blue elytra and orange pronotum. This subspecies has a restricted range in the southwestern United States, occurring from central Arizona to south Texas. It is not commonly encountered in the field. The species name 'venusta' refers to its beautiful appearance, while 'ampla' denotes this larger, more western subspecies.

  lady-beetleCoccinellidaemetallicblueorangesouthwestern-USripariancanyonsubspecies

• Pelecinobaccha costata

  Cobalt Hover Fly

  Pelecinobaccha costata, commonly known as the cobalt hover fly, is a North American hoverfly in the family Syrphidae. The species is recognized by its distinctive coloration and is distributed across southern Ontario and the eastern United States. Its larvae are specialized predators of scale insects, making it a beneficial species in agricultural and natural ecosystems.

  hoverflySyrphidaepredatorscale-insectsbiological-controlNorth-Americacobaltblue

• Zizula cyna

  cyna blue

  Zizula cyna, commonly known as the cyna blue, is a small butterfly species in the family Lycaenidae. Adults display violet blue upperwings and pale gray underwings marked with tiny black dots. The species is active from March to November in most of its range, with adults feeding on flower nectar and larvae developing on flower buds of Acanthaceae species.

  butterflyLycaenidaeNeotropicalsubtropicaldesertsmallbluemigratorystrayAcanthaceaenectar-feeder