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Unidentified Eggs, Larvae, Pupae & Hosts

Egg Mass Magnolia green jumper eggs/Unknown Larva stalked eggs parasite parasite parasite Hitchhiker on crab spider - feeding site? - female Mantisfly larva?
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Neuroptera (Antlions, Owlflies, Lacewings, Mantidflies and Allies)
Suborder Hemerobiiformia (Lacewings, Mantidflies and Allies)
Family Mantispidae (Mantidflies)
No Taxon Unidentified Eggs, Larvae, Pupae & Hosts
Identification
Since rearing is difficult without many available Spider hosts or Spider egg-sacks, the best way to identify your Mantidfly eggs is to catch the adult female in the act of laying them. (see the examples below)
Specimens may otherwise be identified through DNA testing. Consult with BOLD Systems (1) for details.

Climaciella brunnea:


Dicromantispa sayi:


Zeugomantispa minuta:


On the other hand, if individual larvae are found on a female Spider that is about to lay eggs or if an egg sack is found with one (larva or pupa) inside, then the rearing-to-adult may be possible.


Newborn larvae are capable of crawling off to find a host Spider.
Remarks
Possible evidence for larval feeding
See here:
See Also
The wasp parasites such as Acrotaphus wiltii have larvae that are usually larger, compared to the host Spider, with a larger abdomen:


You might want to check these other pages below, before placing images into this family.
Unidentified Eggs and Egg Cases - Phylum Arthropoda - Arthropods
Unidentified Larvae - Phylum Arthropoda - Arthropods
Neuroptera:
Unidentified Green Lacewing eggs (smaller numbers overall, usually placed farther apart, with longer stalks)

Glossary terms:
egg (embryo)
larva (immature)
pharate (pupal) adult
imago (adult)