Journal of Agricultural Research 
Vol. XI, No. 8 
378 ' 
Table III*— Duration of the pupal stage of the three-lined fig-tree borer , New Orleans , La., 
1914,1915, and 1916—^ Continued 
Duration 
of pupal 
stage. 
No. 
, Date of 
pupation. 
Date of 
emergence. 
Duration 
of pupal 
stage. 
Days. 
I 9 I 5 - 
1915. 
Days. 
II 
53 . 
Oct. 16 
Nov. 8 
23 
II 
C4.. 
...do . 
...do . 
22 
II 
Ot. 
55 . 
.. .do . 
Nov. 12 
27 
12 
56 . 
Oct, 25 
Nov. 15 
21 
12 
5 
i^e. 
1916. 
5 
57 . 
Feb. 17 
Mar. 31 
42 
16 
58. 
Mar. 10 
May 16 
67 
16 
59 . 
Mar. 31 
June 12 
73 
14 
60. 
...do. 
...do. 
J “T 
47 
61. 
.. .do . 
.. .do . 
/ 0 
73 
20 
62 . 
.. .do . 
.. .do . 
73 
15 
63 . 
.. .do . 
.. .do . 
73 
19 1 
64 . 
May 15 
45 
17 
6S . 
.. .do . 
May 25 
55 
25 
66 . 
Apr. 16 
May 15 
29 
19 
67 . 
May 15 
July 10 
18 
68. 
...do. 
...do. 
c6 
23 
69. 
July 10 
July 26 
16 
25 
70 . 
Aug. 28 
49 
No. 
33 . 
34 . 
35 . 
36 . 
37 . 
38 . 
39 . 
40 . 
41 . 
42 . 
43 . 
44 . 
45 . 
46 . 
47 . 
48 . 
49 . 
5 °. 
5 * 1 . 
5 2 . 
Date of 
pupation. 
^915- 
Sept. 7 
...do. 
...do. 
Sept. 18 
...do. 
...do. 
...do. 
...do. 
...do. 
Sept. 29 
...do. 
...do. 
...do. 
...do. 
...do. 
...do. 
...do. 
Oct. 9 
...do. 
...do. 
Date of 
emergence. 
1915 - 
Sept. 18 
.. .do. 
...do. 
Se^t. 30 
Sept. 23 
...do_ 
Oct. 4 
...do. 
Oct. 13 
Nov. 15 
Oct. 19 
Oct. 14 
Oct. 18 
Oct. 16 
Oct. 24 
Oct. 18 
Oct. 2 7 
Nov. 1 
Nov. 3 
Maximum. 
Minimum. 
Average. . 
73 
5 
24 
THE ADULT 
DESCRIPTION 
The adult three-lined fig-tree borer (PI. 36) is a long-homed beetle of 
the family Cerambycidae. The body is elongate, the females measuring 
from about 0.86 inch (22 mm.) to 1.1 inches (28 mm.) long from the 
vertex to the tip of the elytra, the average length being approximately 
1 inch (25.5 mm.). The greatest width of the prothorax of the female 
is, on an average, about 0.2 inch (5.25 mm.), of the metathorax, across the 
base of the wing covers, about 0.27 inch (7 mm.). * 
The male varies from about 0.55 inch (14 mm.) to 0.82 inch (21 mm.) 
in length, being, on an average, about 0.75 inch (19.1 mm.) long. The 
pro thorax is, on an average, about 0.16 inch (4.08 mm.), and the meta¬ 
thorax 0.21 inch (5.4 mm.) wide. The antennae are 11-jointed, nearly 
2 l /i times the length of the body (average 2.48 inches). The vertex is 
deeply and narrowly channeled, the channel extending in a distinct 
suture for the length of the head. The eyes are nearly divided, the 
lower lobe much broader than the upper. Prothorax cylindrical, nar¬ 
rowest in front. The legs are slender, the fore pair the longest. The 
body is broadest across base of the elytra, which taper toward their tips 
and end in a short sutural spine. The first and fifth ventral segments are 
longer than the intermediate ones. The general coloring of the dorsum, 
