Switch in pattern formation after puncturing the anterior pole of Smittia eggs (Chironomidae, Diptera).
D000818:Animals; D002454:Cell Differentiation; D002455:Cell Division; D004175:Diptera / Q000196:embryology*; D005260:Female; D009024:Morphogenesis; D010063:Ovum / Q000502:physiology*; D011677:Punctures