| Venter | | | | |
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| Spiracular disc-pores in each spiracular pore band. | 3–6 pores, with 4, 5 or 7 (mainly 5) loculi, each pore 3 µm in diameter. | 5–8 pores, with 3 or 5 (mainly 6–12 pores, with 3, 5 or 6 5) loculi, each pore 2–3 µm in (mainly 5) loculi, each pore diameter. 2.5–4.0 µm in diameter. | 4–6 pores, with 5, 6 or 7 (mainly 5) loculi, each pore 3.0–3.5 µm in diameter. | 3–7 pores, with 3, 4 or 5 loculi, each pore 2–3 µm in diameter. |
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| Number and length of inter- antennal setae Length of pregenital setae | Two pairs: longer pair each 37–44 µm, shorter pair each 4–5 µm 25–31 µm | Two pairs: longer pair each Two pairs: longer pair each 30–35 µm, shorter pair each 34–40 µm, shorter pair each 6–10 µm 2–3 µm 27–37 µm 37–42 µm | Two pairs: longer pair each 36–42 µm, shorter pair each 5–8 µm 39–43 µm | Two pairs: longer pair each 25–33 µm, shorter pair each 20–23 µm 28–31 µm |
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| Total length of antennae | 128–135 µm | 103–113 µm 157–170 µm | 141–147 µm | 79–95 µm |
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| Length of clypeolabral shield | 105–119 µm | 95–106 µm 150–165 µm | 120–128 µm | 95–105 µm |
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| Legs | Well developed | Well developed Well developed | Well developed | Developed but small, with |
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| | | | tibia and tarsus fused |
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| Dimensions of metathoracic | | | | |
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| legs (µm): | | | | |
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| coxa | 50–54 | 39–42 63–72 | 50–56 | 20–22 |
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| trochanter + femur | 75–80 | 62–65 95–105 | 75–84 | 26–30 |
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| tibia | 55–63 | 43–47 70–75 | 51–60 | 24–35 (tibia + tarsus) |
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| tarsus | 43–49 | 33–37 60–63 | 44–46 | |
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| claw | 12–14 | 8–10 17– 21 | 14–16 | 5–7 |
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| Length of tarsal digitules | Shorter: 25–28 | Shorter: 22–24 Shorter: 30–35 | Shorter: 30–32 | Shorter: 8–9 |
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| (µm): | Longer: 35–40 | Longer: 29–30 Longer: 37–43 | Longer: 40–43 | Longer: 10–12, without |
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| | | | knobbed apex |
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| Length of claw digitules | 18–20 | 12–15 18– 25 | 19–21 | 7–8 |
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| (µm): | | | | |
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| Denticle on claw | Absent | Absent Present | Present | Absent |
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