Published September 30, 2001 | Version v1

Table 2 in Larval Morhology Of Hydrotarsus Falkenström: Generic Characteristics, Description Of H. Compunctus (Wollaston), And Analysis Of Relationships With Other Members Of The Tribe Hydroporini (Coleoptera: Dytiscidae, Hydroporinae)

  • 1. Department of Biology, Laurentian University, Ramsey Lake Road Sudbury, Ontario, P 3 E 2 C 6, CANADA
  • 2. Plymouth Environmental Research Centre (PERC) Department of Biological Sciences, University of Plymouth Drake Circus, Plymouth PL 4 8 AA, UNITED KINGDOM

Description

Table 2. Selected ratios of third instars of Hydrotarsus Falkenström (HDT), Hydroporus Clairville (HDR) and Sanfilippodytes Franciscolo (SAN); n = number of species studied.

Features1Genera
HDT (n = 1)HDR (n = 15)SAN (n = 1)
HL/HW1.11–1.131.06–1.271.27
Ant L/HW0.56–0.610.61–0.740.64
Ant L/Mx plp L1.17–1.261.15–1.491.13
Mx plp L/Lb plp L1.14–1.241.00–1.291.20
A2 L/A3 L0.98–1.040.84–1.180.91
A3′ L/A4 L0.56–0.630.59–0.850.89
MX2 L/MX1 L0.81–0.850.74–1.010.95
LB2 L/LB1 L0.96–0.970.96–1.251.15
FC L/HL0.76–0.770.75–0.800.75
Metaleg L/HW2.172.37–2.642.51
Siphon L/LASL0.170.25–0.410.37
Uro1 L/LASL1.42–1.490.75–1.861.18
Uro (1 + 2) L/LASL3.10–3.311.49–3.732.62
Uro1 L/HW0.710.62–1.090.81
Uro (1 + 2) L/HW1.55–1.571.18–2.191.79
Uro1 L/Uro2 L0.82–0.840.88–1.290.81
Uro1 L/Uro2′ L0.86–0.880.91–1.370.90
LASL/HW0.47–0.500.54–0.830.68

1 Ant, antenna; FC, frontoclypeus; Lb plp, labial palpus; Mx plp, maxillary palpus; otherwise as defined in Alarie (1997) and Alarie et al. (1997).

Notes

Published as part of Alarie, Yves & Bilton, David T., 2001, Larval Morhology Of Hydrotarsus Falkenström: Generic Characteristics, Description Of H. Compunctus (Wollaston), And Analysis Of Relationships With Other Members Of The Tribe Hydroporini (Coleoptera: Dytiscidae, Hydroporinae), pp. 347 in The Coleopterists Bulletin 55 (3) on page 347, DOI: 10.1649/0010-065X(2001)055[0341:LMOHFM]2.0.CO;2, http://zenodo.org/record/10102577

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