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Wiki Education Foundation-supported course assignment

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This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Student editor(s): Kaylaholthaus. Peer reviewers: Felderp.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 03:14, 17 January 2022 (UTC)[reply]

Are those tobacco or tomato hornworms?

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I'm pretty sure that the images in this article are of tobacco hornworms, not tomato hornworms. Tomato hornworms have "eight V-shaped marks on each side" while tobacco hornworms have "seven diagonal white lines," [1] [2]. Super Rad! 03:00, 19 October 2006 (UTC)[reply]

I moved those images over to the tobacco hornworm article. Super Rad! 23:49, 21 October 2006 (UTC)[reply]

The image of the caterpillar on the stony ground does not appear to be a tobacco hornworm or a tomato hornworm. Helper100 (talk) 23:05, 25 January 2010 (UTC)[reply]

Does anyone care to mention the wasp paricity things that grow on them? —Preceding unsigned comment added by Dylan55555 (talkcontribs) 21:21, 31 August 2007 (UTC)[reply]

I can not find a SINGLE image on the Web of a hornworm glowing under a blacklight, when I search for [hornworm OR Manduca] AND [ultraviolet OR UV OR blacklight]. Similar searches for scorpions glowing reveal thousands of images. Therefore, I conclude the fluorescence of hornworms under blacklight is a gardener's myth. —Preceding unsigned comment added by Awkonradi (talkcontribs) 23:42, 24 August 2009 (UTC)[reply]

I see that the suggestion I posted about using a blacklight to find tomato hornworms at night has been deleted. It is true that there are no official citations from scientific literature regarding this. There is a mention made of this in Mother Earth News from years ago (sent in by me), but this is not peer-reviewed literature. I see a few other discussions in gardening sections mentioning this, with other people confirming it.

I can find no reference on the Web that hornworms do NOT glow under blacklight, either. So to say that they do NOT is also unsupported by fact.

I believe that this may be a gardeners myth, but it happens to be TRUE and HELPFUL. —Preceding unsigned comment added by Countrydoc20 (talkcontribs) 17:21, 7 January 2010 (UTC)[reply]

I have verified that hornworms (specifically tobacco hornworms) DO glow under UV. Contact me: Gary AT GarysGarden DOT org for details/photos. Gwankney (talk) 03:33, 23 August 2010 (UTC)[reply]

Tobacco and Tomato Hornworms should not be merged, as they are different breeds of caterpillar. —Preceding unsigned comment added by Ns97 (talkcontrib.s) 15:32, 3 June 2010 (UTC)[reply]


Okay, I'm confused. There is a photo at the bottom with a red horn, but it's labeled as a tomato hornworm. The text says that tobacco hornworms have red horns and tomato hornworms have black horns. 207.119.168.220 (talk) 20:33, 31 August 2010 (UTC)[reply]

The one thumbnail image at the bottom is labeled 'Tobacco hornworm larva'. However, the corresponding image is titled 'Tomatoe-horn-worm2.jpg'. — Preceding unsigned comment added by BuzzFlood (talkcontribs) 15:51, 20 August 2011 (UTC)[reply]

Removed second image as it was Manduca sexta, not M. quinquemaculata. I'm wondering now if it was a by-product of the original confusion about the two being separate species. Urtica (talk) 15:07, 12 August 2013 (UTC)[reply]

I'm concerned that 2 of the larvae images at the bottom of this post are actually tobacco hornworm (different species, as noted by others above). E.g., "Tomato Hornworm Larva - Relic38 - Ontario Canada.JPG" has stripes with dark margins, so it's not a tomato hornworm. The glowing one is also probably a tobacco hornworm (hard to tell, but that's my best guess). They should both be deleted. I would suggest making "Tomato hornworm.jpg" the featured image (i.e., replacing the adult) because most people landing on this page are probably interested in identifying the hornworm larvae on their tomato plants. I'd do all the above myself but I'm not versed in proper protocol for making edits, and would prefer that somebody with more experience to that. Here is my page on topic if anyone wants to know how to tell the two species apart: http://colinpurrington.com/2015/distinguishing-tobacco-and-tomato-hornworm-caterpillars/. --Cpurrin1 (talk) 11:29, 11 September 2015 (UTC)[reply]

Adult

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Size of wingspan? Flying times etc? Llywelyn2000 (talk) 05:39, 27 July 2013 (UTC)[reply]

Washington University Behavioral Ecology

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Hello, I am part of a Wiki Ed course and will be making some additions to this article in the next few weeks (adding new sections, adding to what is already in the sections present), about its parasites and its physiology, parasites, behavior, and interactions with humans. --Kaylaholthaus (talk) 21:04, 12 October 2017 (UTC)[reply]

Hi there! I thought you have a really good start to this article. Your writing is clear and you have some really interesting information (I like the part about the "spiked nectar"). I added some hyperlinks to the pages for instar and oviposition to help with understanding. I also edited the paragraph about oviposition to remove a direct reference to a primary source, as that is something that is not generally favored. I think your page could benefit from more information about the mating behavior of the moth as well as some more precise facts; for example, you say that the eggs are "large" but don't really provide any scale and doing so would help increase the value of your information. Overall, good job! Srosefuqua (talk) 21:54, 31 October 2017 (UTC)[reply]
Hi! I had trouble finding more sources about the behavior of the tomato hornworm. Most research was about pest control. I corrected the information under range and added a citation (previously uncited). I also changed the threats section to pest control and added an image of Cotesia congregata. I changed some of the language which made it seem like pest control methods were unintentionally killing the hornworms, when in fact that is the point. Hopefully, you can find more sources about the hornworms behavior. It looks like most research is on the tobacco hornworm, but maybe some of their behavior is the same. Good job! Felderp (talk) 23:05, 5 November 2017 (UTC)[reply]
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