1907] (URAULT AS!) ROSENFELI) — LRRTIXOTARSA DECEM U.\ EATA 
47 
Table II. Number of erjij.i dcponiled bi/ a .linrjle female in eunfinement. 
Uiite. 
Mass Nuinher. 
No. ICggs. 
i\Iay 21. 
1. 
40. 
22. 
2 
53. 
22. 
3. 
30. 
23. 
4. 
16. 
23. 
5. 
41. 
24. 
6. 
9. 
24. 
7. 
40. 
25. 
S. 
33. 
26. 
9. 
38. 
27. 
10. 
41. 
28. 
11 . 
23. 
29. 
12. 
39. 
30. 
13. 
23. 
31. 
14. 
35. 
June 2. 
15. 
20. 
3. 
16. 
14. 
3. 
17. 
21. 
5. 
18. 
9. 
525 
Period of Oripotiilion. From the fahle just <;ivou, it is seen tluit, in this ease, 
the period of ovipositioii lasted for over fifteen days. However, this female was 
probably .some days old when eaptured, .so that the reeord is not eomplete, and a mtieh 
longer period than this may be e.xpeeted. 
The Larv.\. 
DesrrijRion of the Inxtarf!. The larva or grub of the Colorado I’otato Beetle is 
of the usual eriieiform type, with a large, fleshy, subovate, ])rehcnsile body, anten- 
niferous and hexapod, and bearing a terminal |)roleg. It is an external and voraeious 
feeder, and grows ra])idly, but is sluggish in habit. 
Immediately following exelusion from the egg, the larva is entirely light orange 
(unieolored), with the following exee])tions, — ocellar s])ots reddish, tubercle areas 
blackish, minute, inconspicuous, excepting three large areas, one on the dorso- 
lateral aspect of the host two thoracic and the first abdominal segments; tibiae and 
tarsi j)aler, translucent; apical end of the antennae and the lips of the tarsi dusky; 
cervical and anal shields concolorous. Dorsal aspect, body uniformly orange yellow, 
