Origin;Shanxi;Beijing;Paratypes;Paratypes;Stages;J1;J2;J3;J2;J3;N;17;15;20;12;18 L;"1582 ± 150. 6 (1390–1929)";"2822 ± 390.3 (2413–3539)";"3711.5 ± 380.3 (3205–4269.5)";"2489 ± 132.5 (2375–3529)";"3787.5 ±298.3 (3339–4909)" a;"39.8 ± 3.6 (34.6–48.6)";"50.54 ± 5.7 (42.9–62.7)";"54.3 ± 7.0 (43.3–69.7)";"47.7 ± 2.4 (44–59)";"57 ± 4.71 (43–67)" b;"4.6 ± 0.5 (4.0–5.8)";"6.7 ± 1.1 (5.1–8.9)";"7.9 ± 1.5 (6.2–11.3)";"6.2 ± 0.8 (5.9–8.5)";"7.9 ± 2.1 (5.9–10.6)" c;"44.2 ± 4.6 (38.2–54.0)";"69.03 ± 10.2 (54.8–89.4)";"84.9 ± 8.1 (74.45–103.3)";"63.9 ± 4.2 (48.0–75.0)";"78.3 ± 9.2 (65.1–103.0)" c’;"1.25 ± 0.12 (1.02–1.46)";"0.99 ± 0.16 (0.75–1.33)";"0.82 ± 0.09 (0.68–1.02)";"0.9 ± 0.12 (0.8–1.5)";"0.81 ± 0.1 (0.65–1.25)" "Total stylet";"148.9 ± 10.4 (137–174)";"180.5 ± 12.0 (165–200.5)";"220.8 ± 13.0 (198–246)";"178.9± 10.7 (167–195)";"212.0 ± 10.2 (193–247)" Odontostyle;"96.8 ± 4.2 (91–109)";"109.8 ± 6.4 (100–118.5)";"133.2 ± 11.7 (121–157)";"107 ± 3.3 (101–116)";"131.0 ± 5.2 (120–146)" Odontophore;"52.2 ± 7.0 (44–66)";"70.7 ± 7.2 (64–85)";"87.6 ± 3.3 (83–94)";"71.9 ± 6.7 (65–89)";"81.0 ± 8.1 (83–89)" "Replacement odontostyle";"103.9 ± 4.3 (96–110.5)";"130.9 ± 5.3 (125–141)";"150.63 ± 6.48 (143–164)";"132 ± 3.4 (129–146)";"152.0 ± 4.35 (146–160)" "Guide ring to anterior end";"43.1 ± 4.0 (39–55)";"55.5 ± 6.6 (44.5–65)";"65.8 ± 6.1 (57–78)";"52.9 ± 3.9 (47–69)";"64.0 ± 5.25 (53–75)" "Lip width";"11.1 ± 0.8 (9–12)";"14.6 ± 1.9 (11–18)";"15.6 ± 1.8 (13–19)";"13.9 ± 0.67 (10–18)";"15.0 ± 1.1 (12–19)" "Body width at guide ring";"26.3 ± 2.9 (22.5–33)";"34.1 ± 6.4 (25–46.5)";"42.8 ± 9.6 (33–67)";"26.3 ± 2.9 (22.5–33)";"44.08 ± 6.39 (35–67)" "Anal body width";"28.9 ± 3.9 (22–38)";"42.4 ± 5.4 (33–52)";"54.3 ± 8.09 (45–68)";"43.2 ± 3.9 (43–56)";"52.4 ± 5.4 (43–72)" "Tail length";"35.9 ± 3.1 (31- 39)";"33.17 ± 1.3 (28–34)";"32.3 ± 3.3 (30–35.5)";"33.8 ± 0.9 (29–35)";"31.87 ± 3.3 (29–35)"