1967] 
Mockford — Electrentomoid Psocids 
163 
Table I. Measurements (in mm.) and Ratios of 
Electrentomoid 
psocids. 
Forewing 
Posterior 
Posterior 
Posterior 
Posterior 
10 
PO 
length 
tib. length 
ti length 
t 2 length 
t 3 length 
D 
Musapsocus tabascensis , 
n.sp., £ 
Sample size 
4 
4 
4 
4 
— 
4 
4 
Minimum 
1.67 
0.75 
0.30 
0.11 
— 
0.88 
0.69 
Maximum 
1.89 
0.77 
0.33 
0.13 
— 
0.92 
0.78 
Mean 
0.79 
0.76 
0.31 
0.12 
— 
0.90 
0.74 
S.D. 
0.091 
0.010 
0.009 
0.010 
— 
0.019 
0.034 
Musapsocus 
tabascensis, 
n.sp., 9 
Two specimens 1.93 
0.80 
0.33 
0.13 
— 
0.91 
0.69 
1.78 
0.71 
0.33 
0.13 
— 
0.94 
0.73 
Musapsocus 
birkenholzi , 
n.sp. £ 
3ne specimen 
1.89 
0.83 
0.31 
0.13 
— 
0.91 
0.69 
Musapsocus 
% 
simlae, n.sp. 
, 9 
One specimen 
1.84 
— 
— 
— 
— 
0.87 
0.79 
Protroctopsocus cnigmaticus , n.sp., 
9 (brachypterous) 
sample size 
10 
10 
10 
10 
10 
10 
10 
Minimum 
1.98 
0.94 
0.45 
0.08 
0.09 
2.00 
0.55 
Maximum 
2.22 
1.01 
0.50 
0.10 
0.10 
2.16 
0.63 
Mean 
2.08 
0.97 
0.47 
0.09 
0.10 
2.07 
0.59 
i.D. 
0.082 
0.023 
0.016 
0.004 
0.004 
0.063 
0.022 
Protroctopsocus cnigmaticus , n.sp., $ 
(macropterous) 
rhree specimens 3.26 
0.99 
0.49 
0.09 
0.10 
2.05 
0.55 
3.24 
1.04 
0.49 
0.10 
0.10 
2.03 
0.60 
3.49 
1.06 
0.50 
0.09 
0.10 
2.03 
0.60 
Troctopsoculus morenus, n.sp., $ 
)ne specimen 
1.53 
0.48 
0.23 
0.06 
0.06 
1.70 
0.60 
Troctopsocopsis martinicus , n.sp., £ 
Sample size 
13 
13 
13 
13 
13 
13 
13 
Minimum 
1.38 
0.48 
0.20 
0.04 
0.05 
1.31 
0.57 
Maximum 
1.47 
0.54 
0.22 
0.06 
0.06 
1.46 
0.68 
dean 
1.42 
0.52 
0.21 
0.05 
0.06 
1.39 
0.62 
:.D. 
0.027 
0.016 
0.004 
0.005 
0.003 
0.041 
0.031 
Troctopsocopsis martinicus , n.sp., 9 
'ample size 
11 
11 
11 
11 
11 
11 
11 
dinimum 
1.33 
0.47 
0.19 
0.05 
0.05 
1.36 
0.57 
daximum 
1.47 
0.50 
0.20 
0.06 
0.06 
1.54 
0.67 
dean 
1.39 
0.48 
0.19 
0.05 
0.05 
1.44 
0.62 
.D. 
0.040 
0.011 
0.005 
0.003 
0.004 
0.049 
0.026 
