Living With Filter Chambers

Filter Chamber

Immature cicadas feed on the xylem fluid in the roots of trees. Xylem has low concentrations of most nutrients compared to other plant tissues. Xylem is mostly water. To concentrate the nutrients in xylem for more efficient assimilation, cicadas have a special organ in their digestive system called the filter chamber. The cicada anterior midgut folds around a section of posterior midgut and hindgut containing the junction of the malpighian tubules. Water from the anterior…

Source: Living With Insects Blog

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