Currently viewing the category: "Longhorned Bees"
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Subject: Adorable Bees
Location: 15 miles North of Plankinton, SD
August 7, 2015 11:34 am
Dear Bugman,
Can you help me identify these adorable fuzzy bees? I believe they are a native species. They are very docile, feeding on coneflowers, I can gently touch their abdomens. They enjoy watering time, as it is quite hot and dry! There is also a couple of other species of small bees in the pics. Thanks so much. My father and son love your site!
Signature: Kate, Nature Lover

Bee Flies

Bee Flies

Dear Kate, Nature Lover,
Though they resemble Bees, most of the insects in your images are Bee Flies in the family Bombyliidae, probably in the Tribe Bombyliini which is pictured on BugGuide.  Bee Flies and other True Flies can be distinguished from other insects, including Bees, because Flies have a single pair of wings and most other insects have two pairs of wings.  Bee Flies, which do not sting, benefit from their resemblance to stinging Bees.  One of your images includes a single Bee Fly on the same blossom as what appears to be a Longhorned Bee.

Bee Flies

Bee Flies

Longhorned Bee (left) and Bee Fly

Longhorned Bee (left) and Bee Fly

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Subject: Bee I.D. help, please!
Location: Bridgeport, CT
August 7, 2015 7:21 am
Hello! I would love your help in identifying this cluster of bees I spotted in the early morning on one of my sunflowers. Someone I asked thought they were long-horned bees. Could that be right?
Thanks!
Signature: Kate

Bachelor Party:  Male Longhorned Bees

Bachelor Party: Male Longhorned Bees

Dear Katy,
We agree that these are male Longhorned Bees in the tribe Eucerini, and according to BugGuide, they can be identified because they are:  “Hairy bees, typically with pale hair bands on the metasoma. Males typically have very long antennae.”  Since you found them early in the morning, they probably spent the night in this aggregation that is sometimes known as a bachelor party.

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Subject: Solitary bees of Arizona
Location: central Arizona
November 25, 2013 10:30 am
Hello and howdy do!
Here are two photos of solitary bees supping nectar from Arizona sunflowers in August of this year. I wonder if you can verify the tribes of said bees (or even specific species!) by these two photos. Thank you so much for your time.
Signature: T. Stone

Longhorned Bee

Male Longhorned Bee

Dear T. Stone,
We agree with your Longhorned Bee identification from the tribe Eucerini, but we are not certain of anything more specific.  The orange antennae are distinctive, and they are also evident in this photo from BugGuide of a member of the genera
Melissodes or Tetraloniella.  There is a photo on BugGuide of a female member of the genus Melissodes that looks like your other photo, so we would not rule out the possibility of your photos representing a male and female of the same species.  Here is another photo from BugGuide of a male member of the genus Melissodes with the orange antennae.

Possibly Female Longhorned Bee

Possibly Female Longhorned Bee

Eric Eaton Confirms, and cautions about Accuracy with species differentiation.
Daniel:
Two bees in the Apidae tribe Eucerini.  I am not sure how they can be identified beyond tribe from images alone, especially since Arizona is an epicenter of global bee diversity.
Hope you had a nice holiday.
Eric

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Subject: BEE IDENTIFICATION
Location: Stanwood WA USA
April 12, 2013 11:12 am
Hello Bugman! I am an adiv gardener in Stanwood WA, USA about 50 miles north of Seattle. I love flowers but I have really become passionate about photographing critters that grace my garden, especially Bees. I was hoping if I include some photos, you could tell me what they are. Photo 1 has extremely long antennae and I have not seen this critrer since i took the picture, two years ago.
Photo #2 is a an almost triangle shaped bee that I call the Guard bee. This bee seems territorial and chases other bees away. Agressive even.
Phto# 3 is a larger bee that I named mickey mouse due to their large eyes and funny shaped wings. I have so many more! Let me know if you would like to see them! ~ Tracy
Signature: Tracy Sellers

Longhorned Bee

Longhorned Bee

Dear Tracy,
Your first photo of the bee with the long antennae is a Longhorned Bee in the tribe Eucerini which you can view on BugGuide.  We have several photos in our archive of male Longhorned Bees roosting communally in a formation commonly called a Bachelor Party.  Your third photo might be a Leaf Cutter Bee. 

Bee

Bee

We will continue to research that.  Your second photo, the one you called a Guard Bee, however is not a bee.  It is a Drone Fly, a nonstinging fly in the family Syrphidae.

Drone Fly

Drone Fly

Daniel, Thank you for the identifications. The Drone Fly was a surprise , but now that I think about it, it’s behavior does more closely resemble a fly.  I am excited to be able to put a name to  the Critters that grace my garden!
~* BEE Happy
Tracy

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Subject: sleeping bees
Location: Pinellas County Florida (Tampa Bay)
August 31, 2012 5:36 pm
Up to 20 bees sleeping on bare stems of St. Johns Wort. Might be combination of digger and long horned bees. Any help with identification is appreciated.
Signature: Ellen

Longhorned Bees

Hi Ellen,
You have been observing a Bachelor Party of male Longhorned Bees in the tribe Eucerini.

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Unknown Group of Bees
Location: Portland Oregon
December 5, 2010 12:08 pm
Hi,
I took this photo about 4 years ago. I found this group of smallish bees on a dandelion. I have no idea what they were doing or why they were there. I found it very curious.
I know we have quite a variety of bees here. I also know they are not honeybees (I’m a beekeeper).
Anyway, they were quite beautiful and if you could help solve the mystery that would be fantastic.
Signature: Damian Magista

Longhorned Bees: Bachelor Party

Hi Damian,
We believe these are Longhorned Bees in the family Eucerini.  BugGuide has a similar image posted that is identified as
Melissodes communis.  This communal roosting behavior is not uncommon in the family, and the members of the aggregation are males, hence they are called Bachelor Parties.

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