THE COLLEMBOLA OF LEBANON 
AND WESTERN SYRIA 
PART III FAMILY ISOTOMIDAE 1 
By K. Christiansen 
Grinnell College, Grinnell, Iowa 
The work herein described was done under N.S.F. Grant 
G 4563. I wish to gratefully acknowledge the work of my 
assistant, Jerry Tecklin, who did all of the preliminary 
sorting and most of the handling and mounting of the 
material here studied. 
Relatively little has been known about the Isotomidae 
of the Syrian region. Until the work of Cassagnau and 
Delamare only a few of the more prominent epigeic forms 
had been described. With the above mentioned work the 
recorded species from the area were eight. In the present 
study four of these forms were recovered and two others 
were probably recovered. In addition 16 new records were 
established. ....... 
Anurophorus coiffaiti Cassagnau & Delamare 
Plate 8, figures 6, 7 
Anurophorus coiffaiti P. Cassagnau & Cl. Delamore, 1951 Biospeologica 
75:377,37 8. 
This species was the first of the genus to be described 
from Western Syria. The specimens at hand agree well 
with the illustrations and figures given by Delamare and 
Cassagnau. The p.a.o. (see figure 7) is characteristically 
oval with a definite indentation or indication of a listel 
at least on the forward margin. The abdominal thickenings 
chararacteristic of the species vary a great deal but some 
indication of these can be seen even in the youngest sped- 
mens. In some forms these fuse into a single large tubercle- 
like projection. The sense organ of the third antennal 
segment usually has only two short setae between the 
1 Published with the aid of a grant from the Museum of Comparative 
Zoology at Harvard College. 
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