1955] 
Badgley, Fleschner, and Hall — Spiloconis picticornis 
81 
was six days. When fed rust mites and water the maxi- 
mum life period was seven days. When water was added 
to the scale crawler diet the maximum life period was 18 
days. When honey was added to the scale crawler diet 
the maximum life period was thirty-five days. When both 
honey and water were added to the scale crawler diet the 
maximum life period was extended to sixty-three days. 
When both honey and water were added to the mite diet 
similar results were obtained. 
Table 1 
Number of Days Adults of Spiloconis picticornis Lived When Fed 
Various Foods or Combinations of Foods. 
FOOD 
Number of No. of Days for 
Adults Tested 50% Mortality 
Scale Crawlers 1 26 
Red Mites 2 10 
Honey 10 
Water 36 
Rust Mites 3 40 
Rust Mites, Water 30 
Scale Crawlers, Water 6 
Scale Crawlers, Honey 30 
Scale Crawlers, Honey, Water 30 
2 
2 
5 
3 
2 
4 
16 
18 
45 
1 Aspidiotus hederae (Vallot) 
2 Metatetranychus citri (MeG.) 
3 Phyllocoptruta oleivora (Ashm.) 
No. of Days for 
100% Mortality 
4 
4 
6 
6 
6 
7 
18 
35 
63 
Literature Cited 
Killington, F. J. 
1936. A monograph of the British Neuroptera. Ray 
London. 
Soc., 1(122) :95. 
