
AMERICAN MUSEUM GUIDE LEAFLETS 


shown that the “‘bottles’’ are instrumental in transmitting diseases and 
a further diagnosis would require going into details which would be 
out of place here. The larve feed chiefly on carrion but those of 
L. cesar occur also in garbage and excrement. 
These notes on various Muscidze (in a broad sense) and an 
Anthomyid have been given for the purpose of introducing the table 
given below.’ It will be seen from this table that the only fly 
which is very abundant on human excrement and also in dining 
rooms is Musca domestica. This is the principal reason why this fly 
is so dangerous. 
Flies found in Dining Rooms 









Very Moderately 
Abundant Po uendene | Abundant Rare 
~ 
cee Reet =| Pan we 5 ot ee oe meee 
e Very Musca | Borborus 
© Abundant domestica CQUINUS 
| 
<| Abundant _ Muscina | Sarcophaga 
= stabulans SAVVACENIE 
5 
= Ophyra 
a leucostoma 
= | 
2 | Pseudopvrelia 
< COYnICcINa 
S . 
2 Myospila 
” | meditabunda 
an ve ee a 
Moderately Homalom ya Lucilia | | 
Abundant canicularis | cesar 
Drosophila FPollenia 
ampelophila rudts / 
Rare ) | ; | 
Stomoxvs | Calliphora | 
calcitrans \erythrocephala 

1Reprint from the /ze/d Fook of Insects (G. P. Putnam’s Sons), by Frank E. 
Lutz. It may not be out of place to say that this book gives further details, which can- 
not be included here, concerning the identification and habits of other insects which are 
troublesome but not actually dangerous. 
12 
