Moth larvae pictures

[Sheena]

Douglas Aguillard wrote in message <357f59a1.350532 at news>...
>I have sevenl very large catepillars in my wildflower garden, that are
>of varied colors. The only thing they have in common with each other
>is a single long orange spike on their body. They are 3 1/2 inches
>long. Some are black with yellow spots, some are green with black
>stripes, and yellow dots.


Is the spike on their rear? If so, then they are probably hornworms (sphinx
larvae). They are really cool.