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About Goliathus

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  • Birthday 02/27/1973

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    The Living Planet
  • Interests
    Coleoptera (esp. Scarabaeidae, Lucanidae, Cerambycidae, Buprestidae & Curculionidae)

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  1. Has anyone here heard anything lately regarding the existence of wild populations of the Ailanthus Silkmoth (Samia cynthia) in the United States? This species became naturalized in some parts of the eastern US following its introduction in the late 1800s as part of a domestic silk production plan that ultimately failed, but it's been many years since I've heard of anyone seeing one of these moths (outside of captive breeding) in this country.
  2. Goliathus

    Beetle larvae

    True. For many insects though, being out in the open and exposed to the risk of predators (or unfavorable weather conditions) is unavoidable. They survive mainly through their ability to breed in large numbers, ensuring that at least some will manage to live to produce the next generation.
  3. Goliathus

    Beetle larvae

    Some species of cetoniine scarab larvae will emerge from the soil in response to rain and crawl around on the surface, if the ground becomes too wet. It might have been looking for some drier soil, or, it was possibly fully grown and seeking an area where the soil was of a more suitable composition (more sandy / clay) to build its cocoon underground.
  4. Goliathus

    Beetle larvae

    Definitely the larva of a Flower Scarab (subfamily Cetoniinae), but as for what species it is, I have no idea.
  5. Goliathus

    Found beetle larvae - rhino beetle?

    Possibly the larvae of a species of Euphoria (such as E. inda).
  6. Goliathus

    Favorite animal and why?

    "The Common Insects of North America"? That's a classic, and one that I frequently looked at too. In years past, I'm sure that every public library of any size in the US likely had a copy.
  7. Not about beetles, but earlier this year, I got this extremely comprehensive book from Japan about the natural history of Birdwing butterflies, by Hirotaka Matsuka - http://kawamo.co.jp/roppon-ashi/sub177e.htm I've never before seen such a complete treatment of the subject - the amount of work involved in producing it must have been incredible. It even includes photos of the caterpillars and chrysalises.
  8. My last correspondence with Bill Wallin was 7 years ago (June 2012). Surely though, he was not the only one to have ever produced tityus X granti hybrids? In any case, please always be careful to keep hybrids separated from pure species cultures.
  9. See the following website - https://www.uky.edu/Ag/CritterFiles/casefile/insects/beetles/hercules/hybrids.htm
  10. Goliathus

    Figeater Beetles - General Questions

    I had great results with rearing C. nitida last year. My solution was to place a layer of lightly compressed clayey/sandy soil (thickness approx. 2") at the bottom of the rearing containers once the larvae were fully mature and nearing time to build cocoons. The larvae dug down into this layer and made quite solid cocoons in it. Survival rate was 100%. I kept each larva in a 16 oz. deli cup, but so long as they aren't too crowded, I think that rearing to maturity in a group should be ok. I'd think that 25 would be ok pupating in something the size of a 10 gal. tank.
  11. Here's an interesting species that I've only ever found maybe 3 times - the Giant Diving Beetle (Cybister sp.) -
  12. Goliathus

    Geotrupes sp. in captivity?

    Oxysternon is another beautifully colored genus of Neotropical dung beetles. They're closely related to Phanaeus. Some photos -
  13. Goliathus

    Geotrupes sp. in captivity?

    Not a geotrupid, but I've always thought it might be quite worthwhile to try breeding the giant metallic blue phanaeine Coprophanaeus (=Megaphanaeus) lancifer from South America, if an opportunity ever turned up for some hobbyist to do so. It's one of the largest dung beetles (the size of a golf ball) found in the Americas, and interestingly, instead of feeding on dung like most other Phanaeini, they're carrion eaters. They're incredibly strong for their size, and I've heard that a pair of these beetles can actually bury a pig carcass, over a period of several days! Another unusual characteristic is that both sexes have horns.
  14. Goliathus

    Geotrupes sp. in captivity?

    I don't know much about Geotrupidae, but I've occasionally found blue, gold or black species of Geotrupes in my local area. As with other beetle families, there are some considerably larger, even more impressive ones in the tropics, such as Enoplotrupes sharpi (Thailand) -
  15. Where does L. capreolus occur in TX? In the state's far east, close to LA, perhaps?