bee flies

family Bombyliidae

Member of orthorrhaphan flies (infraorder Orthorrhapha)
brachyceran flies (suborder Brachycera)
flies (order Diptera)
insects (class Insecta)
hexapods (subphylum Hexapoda)
arthropods (phylum Arthropoda)
animals (kingdom Animalia)

greater bee fly
Bombylius major

greater bee fly
Bombylius major

bugguide has distinguishing features

genus Hemipenthes

“has not been reviewed in NA since Coquillett (1892)“
“outside of some better-known local faunas, identification to species is tentative at best.” [source]

4 observed taxons / 1 key

Chris’s observations: 8 (2 are research grade)

Locations:

Castle Rock SP
Coyote Lake / Harvey Bear Ranch CP
Edgewood Park & Natural Preserve
Mt. Madonna SP
Máyyan 'Ooyákma Coyote Ridge OSP
Santa Teresa CP
Sierra Azul OSP
Skyline Ridge OSP

Months:

Apr.: 4
May: 1
Jun.: 1
Jul.: 2

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Taxon info: iNaturalist

Bay Area species: iNaturalist