Description of the larvae of three species of Laccophilus Leach and comments on the phylogenetic relationships of the Laccophilinae (Coleoptera: Dytiscidae) Author Michat, Mariano C. text Zootaxa 2008 1922 47 61 journal article 48603 10.5281/zenodo.184741 abd27f14-0192-4987-bddf-6dccb8d6700d 1175-5326 184741

TABLE 1. Measurements and ratios for the larvae of three species of Laccophilus. Three specimens of each instar were measured for each species.

		L. obliquatus		L. paraguensis	L. testudo
Measure	Instar I	Instar II Instar III	Instar I	Instar II Instar III	Instar I
TL (mm)	1.20–2.30	2.00–3.60 3.40–5.00	1.80–2.00	2.40–3.10 4.40–6.50	2.10–3.00
MW (mm)	0.25–0.30	0.50–0.60 0.80–0.90	0.25–0.35	0.40–0.70 0.90–1.10	0.35–0.50
HL (mm)	0.43–0.45	0.66–0.68 0.95–0.99	0.50–0.52	0.77–0.82 1.10–1.16	0.60–0.62
HW (mm)	0.33–0.36	0.50–0.52 0.77–0.79	0.40–0.44	0.60–0.69 0.95–0.99	0.50–0.52
FRL (mm)	0.30–0.31	0.40–0.42 0.50–0.51	0.36–0.39	0.48–0.54 0.65–0.69	0.46
OCW (mm)	0.13–0.14	0.21–0.24 0.39–0.45	0.18–0.21	0.28–0.29 0.51–0.56	0.22–0.24
HL/HW	1.25–1.31	1.29–1.33 1.21–1.30	1.19–1.28	1.17–1.27 1.15–1.18	0.15–0.26
HW/OCW	2.31–2.77	2.21–2.48 1.77–2.03	2.12–2.22	2.00–2.18 1.77–1.85	2.21–2.30
COL/HL	0.30–0.31	0.38–0.40 0.47–0.49	0.26–0.30	0.31–0.37 0.40–0.41	0.25–0.27
FRL/HL	0.69–0.70	0.60–0.62 0.51–0.53	0.71–0.74	0.62–0.69 0.59–0.60	0.73–0.75
A/HW	0.88–0.96	0.73–0.83 0.67–0.71	0.91–0.97	0.81–0.86 0.72–0.75	0.85–0.88
A3/A1	1.50–1.56	1.30–1.39 1.21–1.26	1.25–1.50	1.20–1.32 0.98–1.04	1.39–1.55
A3/A2	1.53–1.79	1.45–1.52 1.43–1.56	1.32–1.43	1.25–1.33 1.12–1.21	1.33–1.55
A4/A3	0.30–0.40	0.27–0.31 0.22–0.25	0.34–0.44	0.26–0.28 0.21–0.25	0.33–0.39
A3’/A4	1.00	0.89–0.90 0.89–0.90	0.91–1.00	0.91–1.00 0.83–0.91	0.67–0.82
MNL/MNW	2.93–3.14	2.86–3.05 3.07–3.14	2.70–2.84	2.77–2.96 2.87–3.06	2.74–2.95
MNL/HL	0.49–0.51	0.47 0.43–0.46	0.49–0.52	0.45–0.51 0.47–0.48	0.49–0.52
A/MP	1.07–1.14	1.03–1.19 1.07–1.17	1.20–1.25	1.21–1.27 1.21–1.23	1.14–1.19
GA/MP1	0.43–0.50	0.36–0.41 0.30–0.35	0.44–0.47	0.38–0.45 0.37–0.43	0.42–0.50
PPF/MP1	0.21	0.18 0.18–0.21	0.24–0.25	0.23–0.27 0.21–0.24	0.21–0.33
MP2/MP1	1.14–1.21	1.05–1.09 0.94–0.97	1.13–1.29	1.15–1.27 1.05–1.11	1.32–1.44
MP2/MP3	0.59–0.67	0.79–0.83 0.97–1.03	0.67–0.75	0.79–0.93 0.95–1.08	0.74–0.81
MP/LP	2.70–3.00	2.64–2.92 2.77–2.88	2.65–2.88	2.67–2.88 2.53–2.64	2.53–2.89
LP2/LP1	2.33–3.00	1.70–1.89 1.27–1.50	2.00–2.29	1.43–1.67 1.24–1.30	2.00–2.38
L3 (mm)	1.33–1.37	1.98–2.03 2.87–2.99	1.49–1.66	2.25–2.51 3.41–3.60	1.82–1.88
L3/L1	1.26–1.30	1.33–1.36 1.35–1.36	1.28–1.34	1.34–1.37 1.39–1.42	1.30–1.33
L3/L2	1.11–1.15	1.15–1.18 1.17–1.20	1.14–1.16	1.16–1.18 1.19–1.20	1.13–1.16
L3/HW	3.84–4.14	3.86–4.03 3.75–3.80	3.75–3.85	3.58–3.76 3.52–3.66	3.53–3.69
L3 (CO/FE)	1.00–1.09	1.02–1.08 1.07–1.10	0.96–1.00	0.98–1.02 0.99–1.04	0.95–1.04
L3 (TI/FE)	0.79–0.86	0.80–0.84 0.78–0.81	0.79–0.82	0.77–0.78 0.76–0.80	0.81–0.83
L3 (TA/FE)	1.11–1.18	1.04–1.07 0.96–0.99	1.04–1.08	0.95–1.02 0.88–0.93	1.02–1.05
L3 (CL/TA)	0.40–0.43	0.34–0.35 0.25–0.27	0.40–0.43	0.33–0.37 0.27–0.29	0.35–0.38
LAS (mm)	0.16	0.33–0.34 0.58–0.64	0.18–0.20	0.38–0.42 0.70–0.75	0.22
LAS/HW	0.46–0.48	0.64–0.69 0.74–0.83	0.45–0.47	0.58–0.62 0.73–0.76	0.42–0.44
U (mm)	0.79–0.83	1.49–1.66 1.69–1.80	0.93–0.95	1.56–1.79 1.49–1.69	0.98–1.09
U/LAS	4.97–5.22	4.51–4.86 2.65–2.98	4.73–5.25	4.14–4.53 2.11–2.24	4.50–4.91
U/HW	2.29–2.49	2.90–3.18 2.20–2.30	2.12–2.36	2.54–2.63 1.57–1.71	1.92–2.08
U1/U2	6.59–8.06	3.18–4.45 50.29–67.80	5.30–6.56	3.47–4.15 32.56–41.63	3.60–4.12