Two little amazing babies. My first reptile eggs ever. So new!

How long do I wait to feed them?
Do they need a basking light already or just ambient temps (83-85)?
Will the parents kill them if i put them in with them?

Any and all advice much appreciated!
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Lisa Rakestraw
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My skinks:
1.1.0 Corucia zebrata (Berman and Joni)
2.3.3 Egernia striolata
2.2.0 Eumeces schneideri (Jack and Mabel; Kaa and Cochisa)

Hubby's snakes of the Southwest:
0.1 Lichanura orcutti (Rosie)
0.1 Lampropeltis pyromelana (Little Red)
0.1 Pituophis catenifer (Jennifer)
2.0 Bogertophis subocularis (Humphrey and Oliver)
0.1 Lampropeltis alterna (Sandy)