Defensive Nymphs of the Woolly Aphid Thoracaphis kashifolia (Hemiptera) on the Oak Quercus glauca
Table 1
Collection data, the number of nymphs to be alates, the percentage of first-instar nymphs and their molting rate, and the most advanced stage of the alate generation for 23 woolly colonies.
Colony code
Collection place
Date of collection†
Number of nymphs to be alates‡
% first-instar nymphs to be alates
Most advanced stage of the alate generation
15226
Tama, Tokyo
4 Sep. 2015
616 (722)
90.2 (27.5)
2nd instar
15228
Tama, Tokyo
12 Sep. 2015
174 (265)
99.3 (16.8)
2nd instar
15230
Tama, Tokyo
20 Sep. 2015
252 (315)
61.1 (9.1)
3rd instar
Exp#1
Tama, Tokyo
28 Sep. 2015 (29 Sep)
425 (532)
32.9 (1.4)
4th instar
Exp#2
Tama, Tokyo
28 Sep. 2015 (29 Sep)
922 (1150)
40.6 (2.3)
4th instar
Exp#3
Tama, Tokyo
28 Sep. 2015 (29 Sep)
460 (532)
27.4 (0.8)
4th instar
Exp#4
Tama, Tokyo
30 Sep. 2015 (1 Oct)
427 (549)
35.4 (1.3)
Adult
Exp#5
Tama, Tokyo
30 Sep. 2015 (1 Oct)
1203 (1483)
37.8 (1.8)
Adult
Exp#6
Tama, Tokyo
30 Sep. 2015 (1 Oct)
442 (568)
42.8 (4.8)
4th instar
Exp#7
Tama, Tokyo
30 Sep. 2015 (1 Oct)
548 (651)
40.9 (2.2)
4th instar
15241
Kyoto, Kyoto Pref.
5 Oct. 2015
160 (257)
31.3 (2.0)
Adult
14158
Tama, Tokyo
8 Oct. 2014 (10 Oct)
218 (377)
11.0 (0)
Adult
14160
Tama, Tokyo
8 Oct. 2014 (10 Oct)
240 (618)
56.7 (0)
Adult
15257
Tama, Tokyo
13 Oct. 2015
210 (255)
21.9 (4.3)
4th instar††
15258
Tama, Tokyo
13 Oct. 2015
258 (371)
24.0 (0)
Adult
15260
Tama, Tokyo
13 Oct. 2015
172 (267)
25.0 (2.3)
Adult
UE1013
Tsuchiura, Ibaraki Pref.
13 Oct. 2015
88 (180)
1.1 (0)
Adult
14167
Hachioji, Tokyo
26 Oct. 2014
81 (254)
6.2 (0)
Adult
14168
Hachioji, Tokyo
26 Oct. 2014
25 (92)
0
Adult
15271
Tama, Tokyo
27 Oct. 2015
85 (165)
1.2 (0)
Adult
15272
Tama, Tokyo
27 Oct. 2015
43 (112)
0
Adult
15273
Tama, Tokyo
27 Oct. 2015
74 (198)
1.4 (0)
Adult
15274
Tama, Tokyo
27 Oct. 2015
76 (157)
2.6 (0)
Adult
Date of fixation in parenthesis. ‡Colony size in parenthesis. Percentage to all nymphs to be alates, with the molting rate (%) of first-instar nymphs in parentheses. Estimated from a subsample. ††Alate adults had probably been produced in this colony.
