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Pseudomallada (cf. fortunata) - Freshly hatched larvae
Going by the long hairs these should be debris-carrying larvae and hence on the Canary Islands some Pseudomallada.
Going by what little is known about the distribution of Chrysopidae over the islands, on La Palma currently Pseudomallada fortunata is the only Pseudomallada that has been recorded there, so it is likely that species, but no way to truly identify to species at this stage.
Biota still has it as genus Dichochrysa, but an update on that is long overdue.
https://www.biodiversidadcanarias.es/biota/especie/A06233
Same set of eggs, one day earlier:
No species identified
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Chrysopidae will generally produce stalked eggs which presumably has a double function:
(1) Other predators or "dangers" such as ants milking the aphids on the same substrate, will walk by the stalks and leave the eggs alone - eggs would be "sitting ducks", but after hatching and climbing down the stalk the larvae can run or defend themselves.
(2) The larvae themselves are fierce predators and assumed to be canibalistic, so even in the absence of other predators, the stalks will likely protect eggs that hatch later from their raging siblings.
P.S. Here is an image of similar eggs (although I doubt the correctness of the species ID):
If you think that other photo has a wrong ID, feel free to express so there in a comment. Posted 5 years ago