Monthly Archives November 2010

Possibly Huntsman Spider in Tennessee

Poor Shelob
Location: Knoxville, TN
November 25, 2010 8:24 pm
So the other night I was halfway into a nice dream about a college grant when I heard my younger tweenaged sister screaming bloody murder in her room. I dashed into her room to find her cowering in the corner and shaking one of her crutches (she’d broken her leg the preivious thursday,) at the blinds. After dashing back to my room to get my glasses (I’m VERY nearsighed,) I got to behold THIS huge bugger. I got her camera from her dresser and this is the only shot I got of him. I told Emmers not to swat at it, being an avid spider lover (I own a very sweet rosy-toed tarantula, whom I love dearly and whom my sister wishes to coat with Raid,) and I rushed to Google the big boi. I got about three minutes to search before I heard a screech and several thwacking sounds coming from Emily’s room; the spider had apparantally made a dash for the closet after Emily had tossed a shoe at it. When I arrived, I found the poor arachnid squished into paper form. I gave him a tiny burial beside my Aloe plant and gave him a little cardboard headstone, which I marked ”Shelob”, before going back to bed. I then found this website and decided to ask what kind of spider he is. I’m assuming it’s some kind of wolf spider. As much as I like spiders, I’m not too familiar with the different spieces.
Signature: Lexie Bee

heteropoda lexie 300x193 Possibly Huntsman Spider in Tennessee

Huntsman Spider

Dear Lexie,
We believe you encountered an introduced Huntsman Spider,
Heteropoda venatoria, though BugGuide only reports it from the extreme southern states of Florida, Georgia, Louisiana and Texas.  This spider, which is believed to have spread to many warm port cities around the world because of stowing away on banana shipments, has even been reported in northern climates before the quality control on banana shipments was improved.  You can compare your image to this one on BugGuide or this one on a forum.

What's That Bug? does not endorse extermination

Please consider writing a review online

the curious world of bugs1 175x300 Please consider writing a review online

The Curious World of Bugs

Black Friday:  November 26, 2010
Daniel’s book has been on the shelves for just over a month and a half.  Have you had a chance to read The Curious World of Bugs, yet? If so, please consider writing a review on Amazon.com.
The more reviews that there are, the more ‘interesting’ it is to various people, search engines, etc.

Correction: Feather Legged Assassin Bug from Australia

what is it
Location: Perth Western Australia
November 24, 2010 7:51 pm
Found this bug in the office. none of us know what it is. It was about 1.5cm long and about 1cm wide. it was tapping its fury back things. Can you tell us what bug it is?
Signature: Victoria

coreid unknown australia victoria 300x239 Correction:  Feather Legged Assassin Bug from Australia

Feather Legged Assassin Bug

Dear Victoria,
We believe it is a Leaf Footed Bug, but it has several features that are unlike any Leaf Footed Bug in the family Coreidae that we are familiar with.  First off, it has antennae that can be described as plumose (see BugGuide on Antennae Forms) and the BugGuide page on Plumose Antennae pictures some examples, but no True Bugs.  The enlarged portions of the tibiae also appear to be fringed.  We had no luck locating anything even remotely similar on the Brisbane Insect Coreid Page.  Meanwhile we are posting and featuring your unusual insect in the hope that either we or one of our readers will be able to provide an identification for you.

Correction: November 27, 2010
Thanks to a comment by lttlechkn, this fascinating anomaly has been identified as a Feather Legged Assassin Bug or Ant Assassin,
Ptilocnemus lemur.  Our observations about the unusual morphology of this creature remain because the antennae and tibiae are highly unusual for Assassin Bugs as well as Coreid Bugs.  We apologize profusely to lttlechkn for falsely identifying this as a Leaf Footed Bug which prolonged the actual identification.

What's That Bug? does not endorse extermination

Giant Crab Spider

Arizona Spider
Location: Prescott, AZ
November 25, 2010 10:03 am
My son in Prescott AZ saw this spider wandering around the kitchen. Two days later it was in the bathroom. He took this photo before putting it outside. There are so many variations of spiders we have not been able to ID it, but think it is perhaps a Wolf spider or a baby Tarantula.
The weather is starting to get cold in Prescott, so the spider was probably looking for a warmer area.
Signature: Jim W

giant crab spider jim 290x300 Giant Crab Spider

Giant Crab Spider

Hi Jim,
Your spider is a perfect visual match to an image we located on BugGuide that is identified as a Giant Crab Spider in the genus
Olios that is also from Arizona, but it is not identified to the species level.  The following remark was recently posted to the genus page on BugGuide:  “Olios  The genus Olios is in need of a major revision. Most of the described western species were written up over 75 years ago and there has never been a comprehensive review of the genus. Additionally,there are apparently numerous undescribed species in various collections. So, for now, the safest thing is to leave it Olios sp.  … R.J. Adams, 17 October, 2010 – 12:48pm.“  Giant Crab Spiders are also known as Huntsman Spiders.  They are hunting spiders that do not spin a web for snaring prey, and they also hunt by night.

Dan,
Thanks for taking the time to reply.
It is really considerate of you to spare some time to satisfy the curiosity of random strangers.
Jimmy said the spider was very handsome, and aggressive, too. When Jimmy moved the spider outside it stood up on it’s back legs and threatened him by waving the front legs at him.
Spunky little guy. Hopefully he will be OK outside.
Jim

Immature Spiny Flower Mantis from South Africa

Thought you might like the pics.

spiny flower mantis south africa ryan 290x300 Immature Spiny Flower Mantis from South Africa

Immature Spiny Flower Mantis

Thought you might like the pics.
Location: Durban, Kwazulu Natal, South Africa
November 25, 2010 12:34 pm
I spotted this little critter sitting in a flower bush outside my backdoor. I believe its an Immature Spiny Flower Mantis (Pseudocreobotra Ocellata) – hope thats right! In one of the pics, its chewing on a bee! Beautiful little prey mantis.
Signature: Ryan

spiny flower mantis south africa ryan 2 300x253 Immature Spiny Flower Mantis from South Africa

Immature Spiny Flower Mantis

Dear Ryan,
The Spiny Flower Mantis from South Africa is one of the most spectacular of the numerous Preying Mantis species found around the world, and we are lucky to be able to post your awesome photographs.  We are thrilled that we can also tag your letter as Food Chain because of the image where the immature Spiny Flower Mantis is feeding upon a bee.  We are not certain how to distinguish
Pseudocreobotra ocellata from Pseudocreobotra wahlbergii, and the Zooillogix website doesn’t provide any description.

spiny flower mantis south africa ryan 3 300x235 Immature Spiny Flower Mantis from South Africa

Spiny Flower Mantis eats Bee

Checkered Beetle

What is this?
Location: cocoa, fl
November 26, 2010 12:10 am
We found this the other day and it looks kinda like an ant of some sort then it flew away…
Signature: huh?

checkered beetle florida 300x228 Checkered Beetle

Checkered Beetle

Dear huh?,
You encountered a Checkered Beetle in the family Cleridae, and it appears to be
Enoclerus ichneumoneus based on an image we matched on BugGuideThe family page on BugGuide contains this information:  “predaceous on other insects, larvae mostly on wood- and cone-borers; some adults feed on pollen; a few species are scavengers.

Spiny Orbweaver from Columbia: Micrathena lepidoptera

Micrathena
Location: Columbia
November 24, 2010 9:56 am
Hello
I’d like to know if it is possible to identify precisely this Micrathena. I guess it’s some variation of M. Gracilis, but cannot determine further. I suppose we need a specialist. Can you help me or direct me to such a specialist?
Signature: J-L

micrathena columbia 300x256 Spiny Orbweaver from Columbia:  Micrathena lepidoptera

Spiny Orbweaver from Columbia: Micrathena lepidoptera

Dear J-L,
You are correct that this is a Spiny Orbweaver in the genus
Micrathena, but we need to research the species and that takes time.  We just looked at the clock and realize there is no time for research this morning as we must rush off to work.  This is just the type of challenge that our faithful reader Karl undertakes quite often and we hope he can do a bit of research.

Thanks for the time taken to answer. I don’t *need* to know what it is exactly, and certainly not immediately.
But, as I searched the net and could not find any picture like that one, I’m just damn curious icon smile Spiny Orbweaver from Columbia:  Micrathena lepidoptera
Have a good day.
JL

Karl provides an identification
Hi Daniel and J-L:
I am not the specialist you seek but I was able to do some research. According to Sabogal and Florez (2000) there are 49 species of Micrathena in Colombia, but M. gracilis does not make it that far south. Fortunately your spider is quite distinctive. The compound spines place it in the lepidoptera Group, of which there are two species in Colombia. Only M. lepidoptera, however, has three sets of compound spines on the abdomen, and most of the other characteristics are consistent with your spider as well. I wasn’t able to find any online photos for comparison but you can try linking to a paper by Levi (1985) entitled “The Spiny Orb-Weaver Genera Micrathena and Chaetacis (Araneae: Araneide)” published in the Harvard University Bulletin of the Museum of Comparative Zoology (http://www.biodiversitylibrary.org/page/4313778#page/589/mode/1up). It has excellent descriptions and illustrations of this and many other Micrathena species. I can’t be certain of the identification but I believe that is it.  Regards.  Karl

Thanks for that. It looks like we have identification, then.
Pity there is no photographic catalog online icon smile Spiny Orbweaver from Columbia:  Micrathena lepidoptera
Thanks again for your time!
J-L

Hi again J-L,
But now there is some photographic evidence online thanks to your excellent photograph.

Emperor Caterpillar

caterpillar
Location: Nashville, TN
November 23, 2010 10:52 pm
I found this guy in my backyard during midsummer.
I live in Nashville, TN and someone from the forestry service asked me where I found him and what he was.
The first two photos are of the same caterpillar that is in question.
The last photo that I was told was a spiny oak caterpillar. I’m not sure how accurate that is.
Anyway, any help is appreciated!
Signature: The Bug Man

emperor caterpillar tennessee 225x300 Emperor Caterpillar

Emperor Caterpillar

Dear Bug Man,
This caterpillar is one of the Emperor Caterpillars in the genus
Asterocampa, which includes the Hackberry Emperor and the Tawny Emperor.  Here is a photo of the caterpillar of a Tawny Emperor from BugGuide.


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