- a hard barrel-shaped case enclosing the pupae of the housefly and other dipterous insects
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for puparium
The pupa-case, or puparium, is dark reddish-brown, and three lines in length.
In about as many more days the puparium state would be entered, and in about six days more the fly or imago would appear.
We present the figure of an allied fly, Merodon Bardus (Fig. 78; a, puparium, natural size).
The second brood of larvæ remains through the winter in the flax-seed, or puparium.
The mode in which insects make their way out of the puparium differs in different orders.An Introduction to Entomology: Vol. III (of 4)