TABLE 2 in Description of the larvae and exuviae of Thecagaster charpentieri (Kolenati, 1846) and Thecagaster brevistigma (Selys, 1854) with a re-description of the exuviae of Thecagaster coronata (Morton, 1916) (Odonata: Cordulegastridae)

TABLE 2. Data sets of the morphological characteristics of the Thecagaster species studied here (dimensions in mm, without differentiation by sex, sample sizes in brackets). The currently most important morphological differences in this study, which were also used for the serious proposal of a key (Table 3), are highlighted in grey. T. charpentieriT. coronataT. brevistigmatotal length37.5–41.7 (3)38.2–43.5 (7)36.8 (1)abdomen length23.0–27.4 (4)27.5–29.9 (2)24.5 (1)wing case HW length8.3–10.2 (4)8.5 (2)10.0 (1)abdomen S5 width7.4–8.0 (4)7.6–8.4 (2)7.3 (1)cerci length1.0–1.2 (4)1.2 (2)1.0 (1)cerci width0.4–0.5 (4)0.4 (2)0.4 (1)paraproct length (ventral)2.6–3.0 (4)3.0–3.4 (2)2.9 (1)epiproct length (dorsal)2.3–3.3 (4)3.5–3.6 (2)3.2 (1)projection length0.6–0.7 (3)0.7 (1)0.7 (1)gynapophyses length2.0 (1)2.1 (1)-gynapophyses width (basal)1.6 (1)1.6 (1)-femur foreleg length4.1–5.4 (3)4.7–5.2 (2)4.3 (1)tibia foreleg length5.5–6.1 (3)5.8–6.2 (2)5.2 (1)tarsus foreleg length2.7–2.9 (2)2.6–3.1 (2)3.0 (1)head width7.5–8.5 (3)8.0–8.1 (2)7.7 (1)mentum length6.0–7.0 (3)6.0–6.7 (2)6.1 (1)mentum width basal2.2–2.5 (3)2.1–2.3 (2)2.0 (1)mentum width distal5.9–7.2 (3)6.2–6.9 (2)6.1 (1) used for the serious proposal of a key (Table 3), are highlighted in grey.