aphids

family Aphididae

Member of plant-parasitic hemipterans (suborder Sternorrhyncha)
insects (class Insecta)
hexapods (subphylum Hexapoda)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)

Aphids are picky about hosts, so note the host when observing aphids. And photograph the largest aphid because it may have better developed distinguishing features.

lupine aphid
Macrosiphum albifrons

cowpea aphid
Aphis craccivora

plum-thistle aphid
Brachycaudus cardui

woolly apple aphid
Eriosoma lanigerum

found on apple, pear, crab apple, plums, cherries, and allies (genus Prunus), firethorns (genus Pyracantha), cotoneasters (genus Cotoneaster), elm, hawthorn, and mountain ash

gall aphids

6 observed taxons / 1 key

Chris’s observations: 22 (9 are research grade)

Locations:

Ansel Adams Wilderness: 6
Santa Teresa CP: 3
Almaden Quicksilver CP: 2
Monte Bello OSP: 2
Calero CP
Dry Creek Pioneer RP
Edgewood Park & Natural Preserve
El Sereno OSP
Lake Chabot RP
Lexington Reservoir CP
Mt. Diablo SP
Rancho Cañada del Oro OSP
Sierra Vista OSP

Months:

Sep.: 6
Oct.: 0
Nov.: 2
Dec.: 1
Jan.: 1
Feb.: 1
Mar.: 0
Apr.: 3
May: 6
Jun.: 2

For more details, use advanced search.

Taxon info: iNaturalist

Bay Area species: iNaturalist