|
Morphometric
variation in Megalinga
(Diptera: Therevidae)
(N=10
for males and females of each species, except N=7 for M. insignata
males)
The range (in mm) or ratio for each measurement is followed by the
mean.
| Male |
M.
bolbocera |
|
M.
insignata |
|
| |
range |
mean |
range |
mean |
| Body
length (excluding antenna) |
7.7-10.0 |
9.2 |
8.5-10.4 |
9.5 |
| Wing
Length |
6.5-7.7 |
7.2 |
7.0-7.8 |
7.4 |
| Wing
length/width |
2.6-3.0 |
2.8 |
2.6-3.0 |
2.8 |
| Head
Length |
1.6-2.0 |
1.8 |
1.6-1.8 |
1.7 |
| Antenna/Head
Length |
0.4-0.5 |
0.5 |
0.4-0.5 |
0.5 |
| Scape
length |
0.20-0.28 |
0.24 |
0.17-0.21 |
0.19 |
| Scape
length/width |
1.3-1.9 |
1.6 |
1.1-1.5 |
1.4 |
| Scape
length/Pedicel length |
2.0-2.8 |
2.4 |
1.6-2.8 |
2.2 |
| Pedicel
length |
0.1 |
0.1 |
0.06-0.11 |
0.09 |
| Pedicel
length/width |
0.6-0.7 |
0.7 |
0.5-0.7 |
0.6 |
| Flagellum
length |
0.30-0.38 |
0.33 |
0.33-0.41 |
0.36 |
| Flagellum
length/width |
1.7-2.1 |
1.8 |
1.9-2.5 |
2.1 |
| Flagellum
length/Scape length |
1.3-1.6 |
1.4 |
1.7-2.1 |
1.9 |
| Stylomere
1 length |
0.06-0.12 |
0.09 |
0.04-0.07 |
0.05 |
| Stylomere
2 length |
0.10-0.16 |
0.13 |
0.06-0.10 |
0.08 |
| Maxillary
palp length |
0.38-0.62 |
0.52 |
0.36-0.48 |
0.44 |
| Maxillary
palp length/width |
2.5-5.4 |
3.8 |
3.8-5.9 |
4.9 |
| |
|
|
|
|
| Female |
M.
bolbocera
|
|
M.
insignata |
|
| |
range |
mean |
range |
mean |
| Body
length (excluding antenna) |
8.9-11.8 |
10.4 |
9.8-12.0 |
11.2 |
| Wing
Length |
7.2-8.6 |
7.9 |
7.1-8.6 |
7.9 |
| Wing
length/width |
2.9-3.0 |
3 |
2.8-3.0 |
2.9 |
| Head
Length |
1.5-1.9 |
1.7 |
1.7-2.5 |
2.3 |
| Antenna/Head
Length |
0.4-0.5 |
0.5 |
0.4-0.5 |
0.5 |
| Scape
length |
0.22-0.27 |
0.24 |
0.17-0.22 |
0.21 |
| Scape
length/width |
1.3-1.6 |
1.4 |
1.2-1.5 |
1.3 |
| Scape
length/Pedicel length |
2.3-3.1 |
2.6 |
1.7-2.5 |
2.3 |
| Pedicel
length |
0.08-0.11 |
0.09 |
0.08-0.11 |
0.09 |
| Pedicel
length/width |
0.6-0.9 |
0.7 |
0.4-0.7 |
0.6 |
| Flagellum
length |
0.29-0.42 |
0.34 |
0.34-0.39 |
0.37 |
| Flagellum
length/width |
1.6-2.3 |
1.8 |
1.7-2.1 |
2 |
| Flagellum
length/Scape length |
0.6-0.9 |
0.8 |
1.6-2.0 |
1.7 |
| Stylomere
1 length |
0.02-0.05 |
0.03 |
0.02-0.06 |
0.04 |
| Stylomere
2 length |
0.09-0.11 |
0.1 |
0.06-0.10 |
0.08 |
| Maxillary
palp length |
0.52-0.66 |
0.58 |
0.43-0.57 |
0.49 |
description
from Webb & Irwin 1991b
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