Most insects have a larval stage known as a 'grub', with six legs. Butterfly and moth grubs have up to ten extra legs, called 'prolegs.' Since these extra legs cause them to look and act differently, these grubs are called 'caterpillars.' Some caterpillars turn into butterflies, but most turn into moths.

People often spot big green caterpillars in the summer, but they can belong to different species. Once it has finished growing, a caterpillar may leave its host plant and go in search of an appropriate site (on the ground, under a branch, etc., depending on the species) where it can turn into a chrysalid and emerge as a moth or butterfly. This is when you can see them close up. You can also take a look at them in the Multimedia gallery and the "Other sites" section. See similar questions...

The amazing set of transitions that Lepidoptera (and many other insects) undergo during their life cycle is called metamorphosis. Butterflies and moths are among the insects that go through four distinct phases of life: the fertilized egg and embryo, the caterpillar, the pupa (sometimes within a cocoon), and the adult. The transition that most captures our attention is actually two changes: from caterpillar to pupa and then from pupa to adult. See similar questions...

Caterpillar recommends the use of a multi-grade oil in all of its on-highway truck engines. Multi-grade oils are blended in two viscosity grades: SAE 10w30 and SAE 15w40. Use of these oils provide the correct viscosity for a broad range of operating temperatures and for cold engine starts. Find out more about Caterpillar lubricants. See similar questions...

The primary advantage of ELC coolant is the coolant life is extended to 600,000 miles or six years. Long life coolant does not require supplemental coolant additives. A "one time only" coolant extender is the only maintenance addition required. The extender should be added to the cooling system at 300,000 miles or three years. See similar questions...

Based on the latest data of our Graduate Survey, theCaterpillar Equipment Emphasis program offers 100% placement rate. See similar questions...

Yes, however Caterpillar recommends NO.2 diesel fuel with low sulfur ( 0.05 % maximum) for use in their electronic diesel engines for optimum performance. See similar questions...

Caterpillars go through several stages, called 'instars', in which they change their skin. To break through the old skin, which they've outgrown, some caterpillars arch their backs. See similar questions...

No. The project launched on 5th June 2007. It is expected that clinical trials will take place within five years from the initiation of the programme of research. See similar questions...

Perhaps the most widely used medication is beta-interferon which can reduce symptoms or delay relapse in the relapse/remitting form of the disease. However, as with many treatments, beta-interferon can have unpleasant side-effects, the most likely being a constant flu-like feeling. Steroids such as prednisolone can accelerate recovery from a relapse. Sildenafil or Viagra can help with erectile dysfunctionality in male sufferers. See similar questions...

Yes. The ADD Centre in Mississauga has been providing training to children and adults since 1993. The ADD Centre in Winnipeg has been open since 1994. A new ADD Centre has been opened in Toronto on Yonge Street north of Lawrence Avenue. See similar questions...

Yes, you'll find them easily. This is the best way to get cash. Forget the Travelers Checks and wasting your precious vacation time waiting in bank lines to cash these. The ATMs, for a small fee, will give you Euros 24 hours a day- with a handy receipt. Most villages and all cities have ATMs which accept Visa, Master Card and Euro Card. Some also accept American Express. Back to top See similar questions...

Chymopapain is an enzyme found in papaya that worked by dissolving the damage disc. Unfortunately, in the 1980's it was apparently used inappropriately and in some patients caused permanent severe nerve damage. While the medication is not available in the United States because it is not approved by the FDA, it is still being used internationally. In a very small doses when used with the selective endoscopic technique it may improve the results slightly. I usually do not use this medication. See similar questions...

Yes! Or rather, yes, it works until you install Service Pack 2, which upgrades the Cinepak® Codec to a special non-working version. The solution is to download Cinepak version 1.10.0.11 from the wonderful folks at Providenza & Boekelheide, who wrote the codec in the first place. See similar questions...

Yes, Canavan is a genetic disease that can occur in any ethnic group, however is most prevalent in people of Eastern-European and Ashkenazi descent. Genetic testing is now available (please consult your physician or health care provider). Screening is most effective if both parents are of Ashkenazi decent. It is not as effective in couples of mixed ethnicity. Testing alone will not totally prevent this cruel disease. See similar questions...

It is made available through participatory 1-day workshops and a 3-day comprehensive program, where you work on yourself in the context of your real situations and problems. See similar questions...