Currently viewing the category: "Scarab Beetles"
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Subject: Tortuguero Beetle
Location: Tortuguero
May 20, 2017 5:32 am
Hi Bugmen and Bugwomen,
I saw this big guy muscling in on the abejones de mayo phenomenon here in Tortuguero yesterday. Spotted on the dock next to the National Park entrance at around 6am. Can you let me know which beetle it is? It was about 12cm long.
Thanks guys!
Signature: Cabinas Tortuguero

Female Elephant Beetle

Dear Cabinas Tortuguero,
This magnificent Scarab Beetle, the Elephant Beetle, appears to be a female
Megasoma elephas based on this image on Photographers DirectMale Elephant Beetles are even more impressive because of their massive horns, which you can see thanks to the BeetleSpace site.  According to YouTube:  “One of the largest beetles of the world endemic to western Mexico. Males reach lengths of 12 cm and more; females are slightly smaller and lack the prominent horns. Adults feed on rotting fruit and live only around 4 months. In the forests of Puerto Vallarta, the adults can be seen only in between October and February. Larvae eat decomposing wood and need full 3 years to attain optimum size. Although heavy, these beetles fly quite well.”

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Subject: Mystery Beetle
Location: Washoe Lake, NV
May 19, 2017 9:51 am
I found this beetle by Washoe Lake near Reno, NV. Not sure what he is or if he’s native or not. Thought it might be a garden chafer beetle but that didn’t seem right. What do you think? Thanks!
Signature: Irene Dickinson

Little Bear Scarab

Dear Irene,
Based on BugGuide images, we are somewhat confident this is a Little Bear Scarab,
Paracotalpa granicollis, and BugGuide data has reports from Nevada.  We do not want to rule out that it might be a related species in the same genus, like Paracotalpa ursina which is pictured on BugGuide and Paracotalpa leonina, though with the latter, BugGuide indicates:  “A very early species, flying in January & February in Mojave desert areas of CA, NV, and AZ.”  

Little Bear Scarab

Gene St. Denis confirms our identification in a comment.
I believe that you have a fine example of a Paracotalpa granicollis.

What's That Bug? does not endorse extermination

Subject: Beetle
Location: Devon
May 4, 2017 4:45 pm
What is this? Is it a beetle or a cockroach
Signature: Nothing


Dear Nothing,
This Scarab Beetle is commonly called a Cockchafer.

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Subject: Bug on Roses on California
Location: Central Valley, Ceres, California
April 18, 2017 4:48 pm
This bug appears only on light colored roses inside the bud and on the outside, what kind of bug is this?
Signature: Michelle

Scarab Beetle

Dear Michelle,
This is some species of Scarab Beetle, but we are unable to provide a species identification at this time.

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Subject: larvae or caterpillar or worm?
Location: Fontana, CA
April 6, 2017 9:29 am
I found this “bug” in the dirt of my flower garden next to the fence. My neighbors have an overflowing abundance of woodchips covering their yard. I think it came from there. Is this a worm, a caterpillar, or a larvae?
Signature: Kachina

Scarab Beetle Grub

Dear Kachina,
This is the Grub of a Scarab Beetle.  If you found it in or near the compost pile, it might be the Grub of a Figeater, commonly called a Crawlyback.

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Subject: Large Spinder
Location: Alvin, Texas
March 23, 2017 8:40 pm
We found this large spider on the front porch eating dinner. Then shortly found what we belive to be the father carrying the eggs on his back. Not sure what it is… if you could please help us identify them that would be cool.
Gulf Coast region
March – early spring
Warm outside
Signature: Robin Kralovetz

Female Wolf Spider with Spiderlings

Dear Robin,
The second Spider is a female Wolf Spider and she is carrying Spiderlings, not eggs.  Thanks so much for including the penny for scale as it provides a sense of the difference between the sizes of these two spiders.  The Spider with its prey is a much larger individual.  The carapace looks to us to resemble that of a Fishing Spider (see this BugGuide image) in the genus
Dolomedes rather than a Wolf Spider and Fishing Spiders are larger.  Wolf Spiders in the family Lycosidae and Fishing Spiders in the family Pisauridae are both hunting spiders that do not build webs to snare prey.  We may be wrong, bug we believe the larger spider is a Fishing Spider in the genus Dolomedes.  The prey appears to be a Scarab Beetle.

Fishing Spider eats Scarab Beetle

What's That Bug? does not endorse extermination