Posts Tagged: Copestylum mexicanum

It's Friday Fly Day: How About a Mexican Cactus Fly?

It's Friday Fly Day, when folks post images of flies.  Flies seem to the entomological...

A black syrphid fly, a Mexican cactus fly, Copestylum mexicanum, foraging on a Mexican sunflower, Tithonia rotundifolia, in a Vacaville garden. (Photo by Kathy Keatley Garvey)

A black syrphid fly, a Mexican cactus fly, Copestylum mexicanum, foraging on a Mexican sunflower, Tithonia rotundifolia, in a Vacaville garden. (Photo by Kathy Keatley Garvey)

Behold: A Mexican Cactus Fly on a Mexican Sunflower

It's not often you see a Mexican cactus fly, Copestylum mexicanum, nectaring on a...

"Aah, nectar!" A Mexican cactus fly, Copestylum mexicanum, on a Mexican sunflower, Tithonia rotundifolia, in Vacaville. (Photo by Kathy Keatley Garvey)

"Aah, nectar!" A Mexican cactus fly, Copestylum mexicanum, on a Mexican sunflower, Tithonia rotundifolia, in Vacaville. (Photo by Kathy Keatley Garvey)

"Here's looking at you!" A Mexican cactus fly, Copestylum mexicanum, sips nectar from a Mexican sunflower, Tithonia rotundifolia, in Vacaville. (Photo by Kathy Keatley Garvey)

"Here's looking at you!" A Mexican cactus fly, Copestylum mexicanum, sips nectar from a Mexican sunflower, Tithonia rotundifolia, in Vacaville. (Photo by Kathy Keatley Garvey)

"My territory!" says a dive-bombing male longhorned bee, a Melissodes agilis, as it targets the Mexican cactus fly. (Photo by Kathy Keatley Garvey)

"My territory!" says a dive-bombing male longhorned bee, a Melissodes agilis, as it targets the Mexican cactus fly. (Photo by Kathy Keatley Garvey)

"Coming at ya!" A Mexican cactus fly sails over a Mexican sunflower. (Photo by Kathy Keatley Garvey

"Coming at ya!" A Mexican cactus fly sails over a Mexican sunflower. (Photo by Kathy Keatley Garvey)

The wings of the Mexican cactus flower glisten in the morning sun. (Photo by Kathy Keatley Garvey)

The wings of the Mexican cactus flower glisten in the morning sun. (Photo by Kathy Keatley Garvey)

Musical Flowers: Jockeying for Position

You've heard of "musical chairs," that anxiety-driven elimination game involving chairs, music and...

A black syrphid fly aims for the same Mexican sunflower, occupied by another syprhid fly. (Photo by Kathy Keatley Garvey)

A black syrphid fly aims for the same Mexican sunflower, occupied by another syprhid fly. (Photo by Kathy Keatley Garvey)

I'm outta here! The hover fly (probably Eristalis tenax) lifts off. (Photo by Kathy Keatley Garvey)

I'm outta here! The hover fly (probably Eristalis tenax) lifts off. (Photo by Kathy Keatley Garvey)

Not giving up and still jockeying for position, the two hover flies try to claim the same flower. (Photo by Kathy Keatley Garvey)

Not giving up and still jockeying for position, the two hover flies try to claim the same flower. (Photo by Kathy Keatley Garvey)

Ah, all mine. A black hover fly or Mexican cactus fly claims a Tithonia blossom. (Photo by Kathy Keatley Garvey)

Ah, all mine. A black hover fly or Mexican cactus fly claims a Tithonia blossom. (Photo by Kathy Keatley Garvey)

Hide the Cactus!

Hide the cactus! There's a Mexican cactus fly in our midst. A large black fly hovers over a...

Black hover fly, aka Mexican cactus fly, sipping nectar from a Mexican sunflower (Tithonia). (Photo by Kathy Keatley Garvey)

Black hover fly, aka Mexican cactus fly, sipping nectar from a Mexican sunflower (Tithonia). (Photo by Kathy Keatley Garvey)

Side view of the black syrphid fly, a Mexican cactus flower. (Photo by Kathy Keatley Garvey)

Side view of the black syrphid fly, a Mexican cactus flower. (Photo by Kathy Keatley Garvey

Mexican cactus fly ready to take off. (Photo by Kathy Keatley Garvey)

Mexican cactus fly ready to take off. (Photo by Kathy Keatley Garvey)

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