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caterpillar - Lapara bombycoides

caterpillar - Lapara bombycoides
Dublin, Cheshire County, New Hampshire, USA
September 27, 2014

Moved from Lapara.

I can say pretty confidently now that this is L. bombycoides - the black bars on the head not reaching all the way down the "face" is suggestive of L. bombycoides over L. coniferarum.

Moved from Sphinx Moths.

Most likely Lapara bombycoides due to location and appearance. L. coniferarum cannot be ruled out based on location alone, as it is known from southern NH. However, unless this was found in an area of abundant pitch pine, as oppose to ubiquitous white pine, it's probably not L. coniferarum.

The best physical character for differentiating the larvae of these two species are the true legs, green in L. bombycoides and orange in L. coniferarum... I can only barely see the true legs on this one. Also, another character that seems to be at least somewhat consistent, is the degree of black on the head. The majority of L. coniferarum, if not all, that I have reviewed have continuous black bands running from the apex of the head to the eyes, while in L. bombycoides the black is only present closer to the apex.

Thanks for the explanation, R
Thanks for the explanation, Ryan. I'm kicking myself because I deleted a few other photos that may have allowed a better look at the true legs. I believe they were green (certainly the one I can see in this picture looks green), and for my purposes I'm calling it L. bombycoides; now that I know what to look for, I'll take a better profile shot next time.

Moved from ID Request.

Looks like a Northern Pine Sphinx
Southern Pine Sphinx looks similar, but is less likely up in NH.

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