DOI: 10.5281/zenodo.15738929
title: Table 3 in Descriptions And Recognition Of Larvae Of Some Northern North American Species Of Ilybius Erichson (Coleoptera: Dytiscidae)

description: Table 3. Measurements, ratios and number of secondary setae of various anatomical parts of the larvae of three species of Ilybius Erichson. Values are given as means ± SD; number in parentheses represents the number of specimens observed. See text for explanation of abbreviations.
CharacterI. biguttulusI. discedensI. discedensI. pleuriticusIIIIIIIIICharacterIIIIIIIIIHL1.07 ±.01 (5)1.54 ±.09 (5)2.09 ±.09 (6)0.95 ±.01 (6)1.27 ±.04 (5)HL1.73 ±.03 (6)1.18 ±.03 (6)1.72 ±.05 (6)2.44 ±.05 (6)HW0.93 ±.06 (5)1.39 ±.01 (6)1.89 ±.06 (6)0.89 ±.01 (6)1.16 ±.04 (6)HW1.53 ±.07 (6)1.09 ±.06 (6)1.61 ±.04 (6)2.29 ±.13 (6)Temporal spines7–8 (6)6–8 (6)3–4 (6)Temporal spines3–5 (6)6–8 (6)6–8 (6)LAS0.69 ±.01 (8)1.17 ±.02 (6)1.79 ±.07 (6)0.63 ±.07 (6)0.88 ±.04 (6)LAS1.41 ±.05 (6)0.78 ±.02 (6)1.34 ±.07 (6)2.12 ±.07 (6)SI0.28 ±.01 (6)0.33 ±.02 (6)0.34 ±.01 (6)0.27 ±.04 (5)0.28 ±.01 (4)SI0.25 ±.02 (6)0.30 ±.02 (6)0.29 ±.01 (6)0.25 ± 0 (6)UP0.35 ±.02 (8)0.52 ±.03 (6)0.70 ±.03 (6)0.29 ±.01 (6)0.37 ±.03 (6)UP0.48 ±.02 (6)0.50 ±.03 (6)0.77 ±.05 (5)1.09 ±.04 (4)UT1.39 ±.08 (8)1.98 ±.14 (6)2.62 ±.2 (6)1.06 ±.03 (6)1.25 ±.07 (6)UT1.65 ±.05 (5)1.79 ±.05 (5)2.58 ±.07 (5)3.33 ±.05 (4)A40.16 ± 0 (8)0.15 ±.01 (6)0.14 ±.01 (5)0.15 ± 0 (6)0.15 ± 0 (5)A40.15 ±.01 (6)0.17 ±.01 (6)0.18 ±.01 (6)0.18 ±.01 (6)A30.21 ± 0 (8)0.26 ±.01 (6)0.33 ±.01 (6)0.19 ± 0 (6)0.23 ±.01 (6)A30.26 ±.02 (6)0.24 ±.01 (6)0.31 ±.02 (6)0.38 ±.01 (6)HL/HW1.14 ±.07 (5)1.12 ±.01 (5)1.10 ±.05 (6)1.07 ±.01 (6)1.09 ±.02 (5)HL/HW1.13 ±.06 (6)1.09 ±.04 (6)1.07 ±.02 (6)1.07 ±.06 (6)A4/A30.74 ±.02 (8)0.60 ±.04 (6)0.44 ±.02 (6)0.78 ±.02 (6)0.64 ±.03 ()A4/A30.57 ±.03 (6)0.71 ±.02 (6)0.60 ±.01 (6)0.48 ±.01 (6)LAS/UT0.51 ±.03 (8)0.59 ±.05 (6)0.69 ±.06 (5)0.60 ±.06 (6)0.70 ±.04 (6)LAS/UT0.86 ±.02 (5)0.43 ±.01 (5)0.53 ±.02 (5)0.63 ±.02 (4)SI/LAS0.41 ±.02 (8)0.28 ±.01 (6)0.19 ±.01 (6)0.42 ±.10 (5)0.32 ±.02 (4)SI/LAS0.18 ±.02 (6)0.38 ±.03 (6)0.22 ±.02 (5)0.12 ± 0 (4)UP/UT0.26 ±.01 (8)0.25 ±.01 (6)0.27 ±.02 (6)0.27 ±.01 (6)0.30 ±.01 (6)UP/UT0.29 ±.02 (5)0.28 ±.01 (5)0.30 ±.01 (5)0.33 ±.01 (4)Metaleg/HW1.90 ±.12 (5)1.89 ±.08 (6)1.96 ±.11 (8)1.63 ±.03 (6)1.68 ±.06 (5)Metaleg/HW1.74 ±.08 (6)1.96 ±.07 (6)1.87 ±.07 (6)1.95 ±.08 (4)Fore­leg (total length)1.20 ±.05 (8)1.74 ±.06 (6)2.35 ±.10 (6)1.05 ±.01 (6)1.37 ±.04 (6)Fore­leg (total length)1.84 ±.05 (6)1.42 ±.11 (6)1.94 ±.06 (6)2.81 ±.08 (5)Meso­leg (total length)1.39 ±.03 (8)2.06 ±.08 (6)2.90 ±.10 (5)1.16 ±.02 (6)1.55 ±.05 (5)Meso­leg (total length)2.12 ±.04 (6)1.59 ±.10 (5)2.32 ±.08 (6)3.38 ±.25 (4)Meta­leg (total length)1.76 ±.04 (7)2.63 ±.12 (6)3.70 ±.19 (6)1.45 ±.03 (5)1.94 ±.09 (5)Meta­leg (total length)2.65 ±.05 (6)2.13 ±.12 (6)3.00 ±.12 (6)4.53 ±.12 (4)ProFEAV0–10–11ProFEAV0–10–11–0D4–54–63–5D4–74–54–6PV5–95–96–9PV5–98–128–10Range10–1410–1410–14Range10–1414–1711–16ProTBAV110ProTBAV00–21–3D110D011PD11—PD—1–21–2PV000PV00–10Range33—Range—3–53–6
description: Published as part of Hicks, B. J. & Larson, D. J., 2000, Descriptions And Recognition Of Larvae Of Some Northern North American Species Of Ilybius Erichson (Coleoptera: Dytiscidae), pp. 42-43 in The Coleopterists Bulletin 54 (1) on page 42, DOI: 10.1649/0010-065x(2000)054[0036:darolo]2.0.co;2, http://zenodo.org/record/4900141