Calcareous septa formed in snail shells by larvae of snail-killing flies.
Larvae of 13 species of Pherbellia and Colobaea that feed in exposed aquatic snails uitilize a product of the Malpighian tubules before they pupate to form a plate-like structure within the shell or to reinforce the anterior end of the puparium. The substance is partly calcium carbonate, and carbonic anhydrase may be involved in its production.
D000818:Animals; D002119:Calcium Carbonate; D002256:Carbonic Anhydrases; D004175:Diptera; D012908:Snails; D013057:Spectrum Analysis
D002256:Carbonic Anhydrases; D002119:Calcium Carbonate