Currently viewing the category: "Beetles"

Subject:  Bug from Israel
Geographic location of the bug:  Kfar Saba, IL
Date: 08/29/2021
Time: 03:04 PM EDT
Your letter to the bugman:  What is it?
How you want your letter signed:  Thanks in advance

Mango Stem Borer

The Mango Stem Borer was likely to have been introduced to Israel from Sri Lanka in the 1950’s.  It uses figs, mangos and Papayas as host trees.

Subject:  flat black beetle w large jaws
Geographic location of the bug:  Northeastern Washington State, USA
Date: 08/27/2021
Time: 09:23 PM EDT
Your letter to the bugman:  Anyone know what this beetle is? Very strange because it is so flat. With the big jaws, I would guess it might be some kind of underbark tree eater, but I’ve never seen one like this and can’t find it in any bug book or online. Invasive species? It is about the size of the tip of my pinkie. Was on the garage door in the backyard. There are various trees around: large ponderosa pines, Chinese elms, crabapple, mock orange bushes, lilacs, wisteria vines, fruit trees, poplar, cottonwood, mountain ash, birch, ash, and maples. Was found in late July. Weather has been record hot in the upper 90s-110 F and very dry and smoky from wildfires. It also had a tiny stowaway on its back (parasite?). Weird.
How you want your letter signed:  Jen Childress

Clown Beetle

Dear Jen,
Thanks so much for including a lateral view so our readership can see how flat a Clown Beetle really is.  We believe your Clown Beetle is in the genus
Hololepta.  Your habitat suspicions are confirmed on BugGuide where it states:  “Members of the nominate subgenus under bark of decaying hardwoods; members of the subgenus Iliotona in rotting vegetation incl. cactus, agave, and palms.”

Clown Beetle

Subject:  Unknown bug
Geographic location of the bug:  Orondo Wa
Date: 08/19/2021
Time: 03:24 PM EDT
Your letter to the bugman:  These guys/gals are all over my yard.
How you want your letter signed:  Gilbert

Ten Lined June Beetle

Dear Gilbert,
This is a Ten Lined June Beetle, a common summer submission from western states.

Subject:  Large horned beetle
Geographic location of the bug:  Northwest Georgia
Date: 08/19/2021
Time: 09:10 PM EDT
Your letter to the bugman:  This nettle was hanging in the doorway of the sunroom. Actually it was dangling by a leg.
How you want your letter signed:  Rebecca

Giant Stag Beetle

Dear Rebecca,
This impressive and harmless beetle is a Giant Stag Beetle.

Subject:  Need Insect identified
Geographic location of the bug:  Shoreline WA, Boeing Credk Park
Date: 08/18/2021
Time: 06:59 PM EDT
Your letter to the bugman:  Just curious what this might be.  It was on a dead log in Boeing Creek Park in Shoreline
How you want your letter signed:  Lesley Bell

Banded Alder Borer

Dear Lesley,
This gorgeous beetle is a Banded Alder Borer.

Thanks Daniel!  It sure is a striking beetle for sure.  I had never seen one before and am happy to know what kind of beetle it is!

Subject:  Is this Japanese Beetle going to eat my medical marijuana?
Geographic location of the bug:  Ohio
Date: 07/28/2021
Time: 12:28 PM EDT
Your letter to the bugman:  Dear Bugman,
The Japanese Beetles were terrible this year.  They ate all the leaves off my neighbor’s ornamental plum tree.  They decimated the roses, and at times they seem to want to eat everything in sight.  They ate my friend’s hawthorn.  I keep finding one or two when I inspect the medical marijuana I just started growing this year, but they don’t seem to be eating the plants.  I have tried to research Japanese Beetles and marijuana and I was thrilled with your section on Insects and Cannabis called What’s on my Woody Plant?
So I expect my girls to start producing buds soon.  Do I need to fear the Japanese Beetles eating my marijuana?
How you want your letter signed:  Paranoid Pot Grower

Japanese Beetle on medical Marijuana

Dear Paranoid Pot Grower,
Time may be on your side, especially since the Japanese Beetles you are finding do not appear to be eating the leaves on your plants.  According to BugGuide:  “Larvae feed on roots of many plants. adults feed on more than 350 different species of plants, but are especially fond of roses, grapes, smartweed, soybeans, corn silks, flowers of all kinds, and overripe fruit.”   Your buds are flowers, so they might be attractive to the beetles if there is no other preferred food to be eaten.  BugGuide also states Japanese Beetles are active “mostly: June-Sept” and we suspect your harvest will be after late September, so you shouldn’t have to worry about loosing your entire crop.  According to Holy Moly Seeds, Japanese Beetles eat:  “Mainly roses, grapes, cannabis, beans, strawberries, tomatoes, peppers, grapes, hops, cherries, plums, pears, peaches, berries, corn, peas, and many more. They feed on the foliage of the plant, eating the material in between veins.”  According to Medical Marijuana (Cannabis sativa x indica)
:  “Japanese beetles will eat the entire leaf. Just like home gardens a population of Japanese beetles can kill a whole plant by destroying its leaves so badly it cannot photosynthesize enough to support itself” but you do not seem to be experiencing that.  Medical Marijuana Cannabis Pests says nothing about leaves and buds, but it does state:  “The most serious root pests are flea beetle grubs (Psylliodes attenuata) and white root grubs — Japanese beetles (Popillia japonica) and chafers (Melolontha hippocastani and M. melolontha).”  Please give us an update if you do find the Japanese Beetles are eating your buds.