From the monthly archives: "November 2011"
What's That Bug? does not endorse extermination

What kind of spider is this?
Location: Just south of Roseburg, OR
November 28, 2011 10:35 am
I was given an inflatable kayak. When I turned it over, this spider ran out. It was very aggressive, trying to chase me with its front legs lifted. I live in Douglas County, Oregon, and I have NEVER seen a spider like this before. There was no webbing or nest in the kayak. It was a little bigger than a half dollar.
Signature: Heather Goin

Folding Door Spider

Hi Heather,
This appears to us to be a Folding Door Spider,
Antrodiaetus pacificus, which we identified on BugGuide.  They are also known as Trapdoor Spiders.  Females rarely leave their burrows, and they tend to have a longer lifespan.  Males tend to leave their burrows at the onset of the autumn rains, and they wander about in search of a mate.  Your individual is a male.  Though his defense posture is threatening, Trapdoor Spiders are not considered a harmful species to humans, though it is possible they might bite.  If that happened, the bite generally causes a brief local reaction.

Wow!  Thanks for your speedy reply!  Glad to know he isn’t harmful! 🙂

What's That Bug? does not endorse extermination

Colourful Colombian grasshoppers
Location: Las Tangaras Reserve, El Carmen, Colombia
November 25, 2011 1:39 pm
I photographed these grasshoppers in the Colombian chocó; Las Tangaras Reserve, El Carmen area, September 6th 2011.
I suppose number one is an adult individual and number two maybe a nymph?!
Possible to ID?’
Signature: Leif Gabrielsen

Grasshopper from Columbia

Hi Leif,
These two really are colorful Grasshoppers, but we are not convinced they are the same species.  We are not even convinced that one is an adult because the wings do not extend to the end of the body.  That is not always an indication that a Grasshopper is an adult because many species do not have fully developed wings capable of flight upon reaching maturity.  We do agree that the second individual is a nymph.  We are posting your photos as unidentified and we hope to either determine the correct identity or get some assistance from our readership.

Grasshopper Nymph from Columbia


What's That Bug? does not endorse extermination

Cool Spider!
Location: St Augustine Beach, FL
November 25, 2011 11:46 am
I discovered this beautiful animal crawling up the exterior wall of my office. I’ve seen them before, however never quite this large and not this color. This spider was well behaved and seemed very healthy. Just crusing the walls looking for something to eat and leaving a single thread of web stuck to the wall wherever it had been. It must work out regularly with muscles like that! I’m calling it a Schwarzenegger Spider until you set me straight. Thanks so much for continuing to battle ignorance!
Signature: Thanks! Bill

Bold Jumper

Hi Bill,
Your Jumping Spider is a Bold Jumper,
Phidippus audax, and you can compare your individual to this image on BugGuide.  Though the markings can be somewhat variable, the green chelicerae or fangs are quite distinctive.  Jumping Spiders do not spin a web to snare prey.  They are hunting spiders with excellent eyesight and they stalk prey and pounce on it.  The silk line it spins will help it to return to the location it was walking on in the event its leap causes it to fall.  We believe your individual is a male as evidenced by the well developed pedipalps.

What's That Bug? does not endorse extermination

Damselfly and a… Skipper?
Location: Parksville, Vancouver Island, British Columbia, Canada
November 27, 2011 4:05 am
Hi Bugman! Just wanted to let you know how much I love your site. I was reading your NRAs and was thoroughly amused by how little patience people have. Why, I didn’t get a response from my inquiry 4 years ago, and I’ve never ranted about it! Unfortunately, I’ve lost the pictures, but they were small, grey larvae with casings that were stuck to the wall. The casings were made of… lint and dust, if you can believe that. Could they have been resourceful bagworm larvae that found novel building materials?

Arctic Skipper

The pictures I’m posting are ones that I took spring/summer 2009, on the eastern coast of Vancouver Island, in Parksville, B.C. The first is a damselfly (a blue?) I found casually devouring a sand flea. It was quite confident, and only departed one perch before deciding I could watch it finish its meal. The next two are of a Lepidopteran, which I’d really like an identification of. From its appearance and its flight pattern, I thought that it might be a skipper. The pictures really are as close as you might think; it let me get almost up to its face, and even graced me a few lovely poses before darting off. The photos are just a tiny bit blurry; my camera’s not good with closeups. If you’d like, I have more pictures to send!
Signature: Geoff

Arctic Skipper

Hi Geoff,
We have so many things to address in your letter.  First, we are happy to hear you are not holding a grudge regarding an unanswered email from four years ago, and even though there is not photo, we believe you are describing Case Bearing Moth Larvae, common insects found in homes.  We are very excited about your photos, as we believe they are the first submissions we have ever posted of an Arctic Skipper, Carterocephalus palaemon, which we identified in Jeffrey Glassberg’s excellent book Butterflies Through Binoculars The West where it is noted they are:  “marked rather like a miniature fritillary.”  BugGuide lists the range as:  “Central Alaska south to central California, south in the Rocky Mountains to northwest Wyoming, east across the Great Lakes states to New York and New England. Eurasia” and the habitat as:  “Glades and openings in heavily forested woods, moist meadows, and streamsides.”  We cannot determine the species identity of your Damselfly, but it makes a nice addition to our Food Chain tag.

Damselfly eats Sand Flea

Hi Bugman!
Thanks for your quick reply. It pleases me greatly that I was able to provide something new to your site.
I’m attaching 3 more pictures: the first is a full profile shot of the damselfly (hopefully, it might help with the identification); the second one is a close up of a cluster of spiderlings, probably of Argiope aurantia? The final one is of a jumping spider. Not technically bugs (or even insects!), but I thought I might send it in. All pictures were taken the same place as the skipper, along a rocky beach.
By the way, regarding the proposed case bearing moths, it was in Hong Kong that they were found (my friend took those original photos).

please just one species per submission.  Also, could you use the standard form?
I wreaks havoc with our system to continue a dialog through email if that dialog requires a new posting.  We like to keep each post as a unique species.
P.S.  Case bearing moth larvae are found worldwide

What's That Bug? does not endorse extermination

Location: Tenerife, Costa Adeje
November 26, 2011 11:52 am
Photographed this fly earlier this year but cant identify it at all.
Shot taken in San Eugenio Alto close to a Banana Plantation.
Signature: Dave Wilson

Tachinid Fly, we believe

Hi Dave,
We needed to do a web search to determine that your location is in the Canary Islands off the west coast of Africa.  We are relatively certain your fly is a Tachinid Fly, a member of a large family with members that parasitize insects and other arthropods.  Different species of Tachinid Flies are often very host specific, concentrating on a single species or genus as their host.  The female Tachinid Fly lays eggs on or inside the host and the larval flies develop as internal parasites, eventually killing the host.  Tachinid Flies are important biological control agents. 

What's That Bug? does not endorse extermination

Is this a Fire-colored beetle?
Location: Midlothian, Virginia
November 25, 2011 9:17 pm
Found this bug crawling across the carpet on night. It’s legs made a clicking sound as it walked. Not quite sure what it is. It’s about 1 inch long.
Signature: Grant

Tile Horned Prionus

Hi Grant,
This is a Tile Horned Prionus,
Prionus (Neopolyarthron) laticollis.  These root borers are generally sighted in July and August, so a November sighting is unseasonably late, however, BugGuide indicates the season as “April to November (Northeast).”  Perhaps it emerged from firewood that you brought indoors, which is often the case with the various insects that have wood boring larva because the warm indoor temperatures trigger an early emergence.

What's That Bug? does not endorse extermination