Dipterous Larvae 
i35 
In one of these cases upwards of 1200 larvae and several perfect 
insects were said to have been passed per anum. French (1905) 
reports the case of a man 
who for a considerable period 
voided adult living beetles 
of the species Nitidula 
bipustulata. Most of the 
other cases on record relate 
to the larvae of Dermestidce 
(larder beetles et al .) or 
Infestation probably occurs 
through eating raw or imperfectly cooked foods containing eggs or 
minute larvae of these insects. 
Brumpt cites a curious case of accidental parasitism by a coleopter¬ 
ous larva belonging to the genus Necrobia. This larva was extracted 
from a small tumor, several millimeters long, on the surface of the 
conjunctiva of the eye. The larvae of this genus ordinarily live in 
decomposing flesh and cadavers. 
Dipterous Larvae 
Myasis— By this term (spelled also myiasis, and myiosis), is 
meant parasitism by dipterous larvae. Such parasitism may be 
normal, as in the cases already described under the heading parasitic 
Diptera, or it may be facultative, due to free-living larvae being 
accidentally introduced 
into wounds or the body- 
cavities of man. Of this 
latter type, there is a 
multitude of cases on 
record, relating to com¬ 
paratively few species. 
The literature of the sub¬ 
ject, like that relating 
to facultative parasitism 
in general, is unsatis¬ 
factory, for most ot the 
determinations of species 99 . Piophila casei. After Graham-Smith. 
have been very loose. 
Indeed, so little has been known regarding the characteristics of 
the larvae concerned that in many instances they could not be exactly 
98. Larva of Piophila casei. Caudal aspect of larva. 
Posterior stigmata. 
Tenebrionidce (meal infesting species). 
