May 2,1921 
Life History of Recurvaria milleri 
135 
during the period of maximum flight of the adults. On numerous 
other occasions moths were observed running actively over the foliage, 
occasionally stopping and pressing the tip of the abdomen against the 
base of the needles as though attempting to oviposit. Freshly laid eggs 
were found in the field during the latter part of July and throughout 
August, 1919. (Table I.) 
Table I.— Period of egg laying of Recurvaria milleri 
Date of observation. 
Number of eggs in record. 
igig. 
July 24 . 
27 . 
30 . 
Aug. 4. 
8. 
20. 
25 . 
3, at base of needles. 
7, at base of needles. 
8, at base of needles. 
10, at base of needles. 
5, at base of needles. 
8, at base of needles. 
3, at base of needles. 
It was not determined whether one individual female deposits eggs in 
more than one place or not; neither was the total number of eggs de¬ 
posited by individual females ascertained. Clutches of eggs found in 
the field averaged from five to six in number. (Tables I and II.) 
Table II.— Number of eggs of Recurvaria milleri found in clutches in the field 
Clutch No. 
Number of 
eggs. 
I 
3 
2 
7 
3 
8 
4 
1 
5 
10 
6 
3 
7 
5 
8 
8 
9 
1 
10 
3 
Total. 
49 
THE EGG 
DESCRIPTION 
The normally deposited egg is oblong oval, rugose, and translucent, 
with iridescent surface reflections. The average size is 0.3 by 0.5 mm. 
where deposited 
The eggs are usually deposited at the base of the current year's growth 
of needles and are concealed under the needle scales. Occasionally they 
