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. 2022 Sep 1;13(9):799. doi: 10.3390/insects13090799

Table 1.

The approximate lengths of the types of sensilla and their arrangement on the antennae are evaluated.

Types, Length, and Arrangement of the Sensilla
shorter longer longer shorter
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Types sensilla TSa TSa TSa ChS TSp1 TSp2 BSp CS BSa
(pair)
CoS
Length (µm) 22.2
23.5
24.7
27.2
28.0
34.2
36.0
42.2
44.8
45.5
47.6
52.1
58.1
63.7
65.9
53.2
57.8
57.8
62.8
67.9
61.2
65.3
68.5
69.7
66.3
46.2
46.7
46.3
45.6
47.6
14.4
14.7
11.2
11.0
10.0
8.5
7.9
12.8
12.1
4.6
Scapus (s) + + + +4 - - - +2 + -
Pedicel (p) ++ ++ + +4 - - - +2 + -
Flagellomere (f1) - - + +11 +++ +++ ++8 +3 + +1
Flagellomere (f2) - - + ++18 +++ +++ +++16 +4 + +1

+, sporadic (Figure 1b and Figure 2a); ++, some, does not obscure the surface (Figure 1c,f and Figure 2b); +++, numerous, antennae surface densely covered with sensilla (Figure 1d,e and Figure 2c,f), minus, no sensilla, number of sensilla.