Identification of larvae and pupae

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08.07.2021 22:47, ИНО

Another sketch from the life of minced meat. This time I would like to hear at least some comments. Not necessarily a sure definition, but at least a tentative guess. At least about the family. Unfortunately, a search for live caterpillars for comparison in the front garden turned up nothing. I went around at night with a flashlight, found fresh nibbles only on wild rose, but, as it turned out, they were left by sawfly false burrs, there are no such things in the food lumps of wasps. There are mostly butterfly caterpillars, and a lot of them, so wasps are much more successful hunters of this game than I am.

1.

picture: DSC00791_1a.jpg

I think it's one species, and the predominant one in the diet. I have already collected more than a dozen similar lumps. All of them are the same color, with seemingly identical cuticle sculpture, hetom, real and false legs (in those cases where they remained). Half of the head was only caught once, so there's nothing to compare it to. There is also a close-up photo of the mandibles, if necessary, I will post it. On two occasions, withered linden petals have stuck to the lumps, so it's possible that the caterpillar is feeding on it.

3.
picture: DSC01083_1a.jpg

I assume that 3 and 4 are also the same view. Despite the difference in shades, the caterpillars have a very similar pattern. The dorsal half is darker, the ventral half is lighter, and the border is sharp. One of them was clutching a piece of grassy plant that looked like grass in the death grip of its abdominal leg. So, apparently, it feeds on herbs. I suspect a scoop like winter wheat.

picture: DSC00722_1a.jpg

And this is clearly someone else. I remember seeing similar small, densely planted black bristles on a bright green background in whitefly caterpillars. But there were no legs, manlibules, or even spiracles in this sample, so I'm not even sure about the squad here. But definitely not the sawfly I found on the briar-it was naked and had small papillae.

And after the question: are there any determinants of caterpillars and other larvae purely based on microscopic features (sculpture, chetome, structure of legs, spiracles, mandibles, location of eyes, etc.). Otherwise, I can consider all this, but there is nothing to compare it with.

10.07.2021 16:34, ИНО

No, the butterflies. And even more general-before the squad. Since there is also minced meat with a bunch of small dark pieces, but without wings and faceted eyes, which I don't even know where to define. I soaked it in lye, I want to make micro-preparations. So far, no signs of sawflies have been observed. In the literature about caterpillars, differences in the structure of the soles of the abdominal legs, the location of the eyes are often briefly mentioned, which means, in theory, there should be such determinants. But, apparently, you will have to go a more difficult way: catch different caterpillars and consider the whole thing yourself. I caught this one on lettuce yesterday:

picture: DSC01700_1a.jpg

It is very similar to No. 1-2 with spiracles, setae, eyes, and the soles of the abdominal legs (although it is difficult to understand the number of these in minced meat). Only the color is more saturated and with stripes. Is this a scoop-gamma? Do we still have similar, plain olive and mass-produced ones?

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20.07.2021 18:08, ИНО

I thought so too. But, obviously, it has nothing to do with minced meat. She has dark spots on her head, but Farsheva doesn't. In addition, minced meat is most likely with 5 pairs of abdominal legs: although I did not find more than three pairs in any sample, these pairs lay quite close to each other, which cannot be the case if their number is reduced. So the similarity was only superficial.

Most likely, most of the minced meat is exactly the type that is in photo #1 from the previous post. Her head is completely light, the location of the eyes and bristles on it is exactly the same as that of minced meat (many other scoops, which I have reviewed differently during this time, have a similar range, but there is a dark stripe). The color and sculpture of the body, the soles of the abdominal legs-all also coincide. The only thing is that the bristles are longer relative to the size of the body, but I think this would change with age. Just eumenes brings only young scoops, mature ones will not fit into the neck of the nest. And young caterpillars are usually more "long-haired" than mature ones. Minced meat was cut from mature caterpillars and rather big ones.

The message was edited INO-20.07.2021 18: 08