Category Archives: Caterpillars and Pupa   rss

Asp: Southern Flannel Moth Caterpillar

Small, pea-soup green, hairy critter
Thu, Jan 15, 2009 at 2:27 PM
See the photos
Curious
Gulf south (USA)

asp  300x276 Asp:  Southern Flannel Moth Caterpillar

Asp

Dear Curious,
This is a Southern Flannel Moth Caterpillar, Megalopyge opercularis.  It is sometimes called an Asp and it stings.

asp head Asp:  Southern Flannel Moth Caterpillar

Asp

What's That Bug? does not endorse extermination

Death’s Head Hawkmoth Caterpillar from South Africa

Gorgeous Mystery Caterpillar
Mon, Jan 12, 2009 at 8:49 AM
Greetings,
I found three of these little guys, first they were with blue patterns with black and when i took the pic they were green, i havent seen these guys before or anything like them, they also have a funny little tail, they seem very timid and slow, could you please let me know what they are exactly, and what are their needs?
Siraaj Aziz
Durban, South Africa

deathshead cat south africa siraaj 300x259 Deaths Head Hawkmoth Caterpillar from South Africa

Death

Hi Siraaj,
At first we were going to write back and just say that you found a species of Hawkmoth Caterpillar in the family Sphingidae, commonly called Hornworms because of the caudal horn.  When we googled Sphingidae Africa, we quickly found an image of a Death’s Head Hawkmoth Caterpillar, Acherontia atropos, on a Biodiversity of South Africa website and we feel pretty confident that is your species.  The adult moth is pictured on the movie poster of the Academy Award winning Silence of the Lambs and played a role in the narrative of that film.  Regarding the d
erivation of name , according to the Biodiversity website:  “The Death’s head hawk moth is so called because of the skull-like pattern on the thorax . As far as the latin name is concerned, according to Pinhey (1975) : ‘Atropos, one of the Fates, was a daughter of Nox and Erebus and was illustrated… with veiled face and a pair of scissors to cut the thread of life. This is the thoracic pattern of a mask with scissors below it. A sinister but undeserved portrait.’”  Excellent information and more photos can be found on the Sphingidae of the Western Palaearctic website.  The downward curve of the horn is distinctive in the mature caterpillar and is evident in one of your photographs.  By needs, we are presuming you want to raise the caterpillar to maturity.  Your photo of the yellow caterpillar indicates it is mature, or fifth instar and that it will soon pupate.  You should continue to feed the Death’s Head Hawkmoth Caterpillar with leaves of the plant on which it was found, and provide it with several inches of loose soil, not too moist and not too dry.  The caterpillar will dig into the dirt to pupate.  When its metamorphosis is nearly complete, the pupa will wriggle to the surface, the skin will split, and an adult moth or imago will emerge.  We would love it if you are able to provide us with images of the adult Death’s Head Hawkmoth.

deathshead cat south africa siraaj 2 Deaths Head Hawkmoth Caterpillar from South Africa

Death

Unknown Predatory Red Hemipteran Nymphs feeding on Imbrasia wahlbergi Caterpillar in South Africa

Unidentified predatory red bug/beetle
Thu, Jan 8, 2009 at 3:29 AM
This bug (beetle?) appeared about five years ago in our rural, coastal area (Cintsa, East London, South Africa) and has been terrorizing the undergrowth ever since. Individuals patrol paths and garden areas, seeking prey. Groups participate in the kill, biting or stinging the victim repeatedly until it stops moving. They will then sit on the prey, presumably feeding, sometimes for the rest of the day. They have been observed attacking and feeding on centipedes, spiders and caterpillars (particularly the large black caterpillars that feed on African plum trees – see image).
They are red/orange with darker areas around where wings should be. They appear to have a pointed snout. We have observed them clustering under cover in larger groups overnight.
Dave Roberts
Cintsa, East London, South Africa

hemipteran predatory red south africa 300x229 Unknown Predatory Red Hemipteran Nymphs feeding on Imbrasia wahlbergi Caterpillar in South Africa

Unknown Predatory Hemipteran Nymph

Hi Dave,
You just made us late for work. We really wanted to identify your predatory red Hemipteran nymphs as well as the Saturniid Caterpillar they are feeding upon, but our internet connection is so slow right now, we need more time. We are posting this as unidentified right now, but we are confident we will be able to assist you in a proper identification either alone or with the assistance of our readership. The Hemipterans don’t look like Assassin Bugs, which would be a likely candidate.

hemipterans caterpillar south africa 273x300 Unknown Predatory Red Hemipteran Nymphs feeding on Imbrasia wahlbergi Caterpillar in South Africa

Predatory Hemipterans feed on Saturniid Caterpillar

Update:Predatory Red Hemipteran Nymphs feeding on Unknown Saturniid Caterpillar
Fri, Jan 9, 2009 at 2:20 PM
Hi Daniel:
I think the predatory bugs are probably immature assassin bugs of some kind, but I am out on a limb even with that. The Saturniid caterpillar looks like Imbrasia wahlbergi . An adult of this spectacular species appeared on WTB previously (Saturniid Moth from South Africa: Imbrasia wahlbergi – May 7th, 2007). Regards.
Karl

Thanks for the ID on the Imbrasia wahlbergi Caterpillar Karl. As we wrote to Dave this morning, we were running late for work. As things played out, we got to LACC to teach about 6 minutes before class started. We were going to search the World’s Greatest Saturniidae Site which contains the Kirby Wolfe link you provided. We will have to spend some time researching the Hemipteran nymphs now. They behave like Assassin Bugs, but don’t look like Assassin Bugs. Perhaps they are Predatory Stink Bugs, but they don’t look like Stink Bugs either. They actually resemble plant eating Hemipterans. We have run several images in the past of social feeding Assassin Bugs that feed on Millipedes, Ectrichodia crux, but these individuals look different if our memory serves us correctly.

Update from Eric Eaton
Sayturday, January 10, 2009
The hemipterans are likely in the family Lygaeidae. Many (most?) of the Heteroptera are opportunistic scavengers or predators. I once saw two small milkweed bugs feeding on a dead honeybee, for example. But, the bugs in the image are nymphs, so no way to be certain for sure (though I think it is safe to rule out assassin bugs).
Eric

Update from Dave:  January 11, 2009
Thanks, bug masters! Apologies for the omission of some info. Length is around 8-12mm, and it was a millipede they were eating, not a centipede. The millipede assassin bugs look pretty close, but they’re a little too red, and the bugs in question don’t have the third black spot on their back. I think you nailed the caterpillar – thanks again.
I’ll get the search going to find the adults.

What's That Bug? does not endorse extermination

Tersa Sphinx Caterpillars

Unknown caterpillars
Mon, Jan 5, 2009 at 4:20 AM
I thought I picked two brown caterpillars with fake eyes from my mother’s penta plant in Sun City Florida yesterday. When I opened the jar to photograph them this morning, I had two browns and two greens, all with false eyes. I never kill bugs without knowing what they are but I can’t find these in my caterpillar book.
V Parsons
Central Florida

tersa cat brown v 300x235 Tersa Sphinx Caterpillars

Tersa Sphinx Caterpillar: Brown Morph

Dear V,
Both the green caterpillars and the brown caterpillars are the same species.  The Tersa Sphinx, like many other Sphinx Moths, have caterpillars in different colors.  These different morphs probably aid in the survival of the species.  Predators that notice the brown caterpillars may not notice the green individuals just inches away.  To see images of the adult moth and to read more about the Tersa Sphinx, Xylophanes tersa, you can search Bill Oehlke’s excellent website.

tersa cat green v 292x300 Tersa Sphinx Caterpillars

Tersa Sphinx Caterpillar: Green Morph

Thank you so much! I gave the caterpillars to a friend with a lot of penta and a six-year-old grandaughter who loves bugs — she’ll take good care of them icon smile Tersa Sphinx Caterpillars

1

Slug Moth Caterpillar

I have no leads
Mon, Dec 29, 2008 at 8:30 AM
While working at an Outdoor Ed center, my co-teacher and I discovered this awesome creature and kept him in hopes of finding someone on staff to identify it. We found him in the woods on a particularly balmy day. His underside was nearly translucent and had some sort of fuzz around his perimeter, which was highlighted by bright orange spots, which were also along his back. we named him sid.
Lauren
the woods of Maryland’s Eastern Shore

isa textula cat lauren 300x210 Slug Moth Caterpillar

Slug Caterpillar

Hi Lauren,
This is a Slug Moth Caterpillar in the family Limacodidae, probably Isa textula.  Many Slug Moth Caterpillars have stinging spines and they should be handled with caution.

Woolly Bear

Floridian Black Caterpillar.
Fri, Dec 12, 2008 at 2:41 PM
Hello Mr.Bugman, let me start by saying how very much I appreciate your work. I have a very limited knowledge of bugs, but this site has taught me much. I used to have a serious, very serious phobia of all bugs. But you have taught me to turn my fear into curiosity, and for that, I thank you.
I found this little guy out side my house, on the porch. We live in Northern Florida, in Milton, USA. This picture was taken in December, and the weather was about 20 degrees, and it had just rained. I was worried about this caterpillar, but because I feared I might harm him, I did not touch him. I checked and did not see this type of caterpillar on your site, so I do not know what species he is. Thank you for your time, it is very appreciated!
Much Love, Nick from Florida.
Nick L.
Milton, Florida, USA

woolly bear nick 300x276 Woolly Bear

Woolly Bear

Hi Nick,
Your caterpillar is a Woolly Bear, the caterpillar of a Tiger Moth.  We can’t be more specific than the subfamily Arctiidae.

Milbert’s Tortoiseshell: Imago and Caterpillars

Milbert’s Tortoiseshell
Fri, Nov 28, 2008 at 6:43 AM
Hello Bugman:
As another Canadian winter settles in I take cheer in organizing the mountain of photos that accumulate during our short but brilliant summers. Here is another one of my favourite North American butterflies, the Milbert’s Tortoiseshell (Nymphalis milberti). Not only are they strikingly beautiful, they are also very widespread (most of Canada south of the tundra, and northern and western USA, particularly the mountain states). This adult was photographed in a high alpine meadow in the southern Alberta Rockies, and the larvae are from southeastern Manitoba. Our winters are long up here and one of the sure signs of spring is the re-emergence of these creatures in early spring. They are around all summer and one of the last to disappear in late autumn, when the adults go into hibernation. Another endearing feature; the caterpillars feed almost exclusively on stinging nettle! Regards.
Karl

milberts tortoiseshell karl 300x200 Milberts Tortoiseshell:  Imago and Caterpillars

Milbert's Tortoiseshell

Hi Karl,
Thank you for sending your excellent photos of two phases in the metamorphosis of the Milbert’s Tortoiseshell as well as the detailed information on the species.  This is an excellent addition to our archive.

milberts cats karl 300x184 Milberts Tortoiseshell:  Imago and Caterpillars

Milbert's Tortoiseshell Caterpillars

Orange Dog

Catepillar
Tue, Nov 25, 2008 at 4:58 PM
Dear bugman,
My curiosity has overtaken me with what this beautiful catepillar will be born into. I found this specimen in Feb-Mar, in San Diego, on my doormat. Luckily we didn’t step on it. It was slow moving, as I played with it for a while before placing it back where I found it. It was about an inch long, smooth and soft. As you can see it prefers mimicry, hence the bird dropping look, yummy. I was just wondering if you could place a name on it. Thanks, love the site. Keep it up.
Chris, friend of all bugs
San Diego, CA

orange dog chris 300x176 Orange Dog

Giant Swallowtail Caterpillar

Hi Chris,
Your bird dropping mimic is the caterpillar of a Giant Swallowtail, Papilio cresphontes.  It is sometimes called an Orange Dog because it feeds on the leaves of orange and other citrus trees.  The butterfly is a lovely brown and yellow “tailed” species.  In recent years, the Giant Swallowtail has expanded its range to include much of Southern California.


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