The very rare Japanese endemic diving beetle Japanolaccophilus niponensis (Kamiya, 1939), (Coleoptera: Dytiscidae, Laccophilinae): larval morphology and phylogenetic comparison with other known Laccophilini
Author
Alarie, Yves
School of Natural Sciences, Laurentian University, Ramsey Lake Road, Sudbury, Ontario, CANADA.
Author
Watanabe, Kohei
Ishikawa Insect Museum, Inu- 3, Yawata-machi, Hakusan-shi, 920 - 2113 JAPAN.
Author
Michat, Mariano C.
0000-0002-1962-7976
University of Buenos Aires, Faculty of Exact and Natural Sciences, Department of Biodiversity and Experimental and Applied Biology (IBBEA), Buenos Aires, ARGENTINA. marianoide @ gmail. com; https: // orcid. org / 0000 - 0002 - 1962 - 7976
marianoide@gmail.com
text
Zootaxa
2023
2023-05-15
5285
1
116
132
http://dx.doi.org/10.11646/zootaxa.5285.1.4
journal article
10.11646/zootaxa.5285.1.4
1175-5326
7935858
0703FF00-A0C3-4A18-8437-4E25FE1BA047
TABLE 2. Number and position of secondary setae on the legs of instars II and III of Japanolaccophilus niponensis (Kamiya, 1939). Numbers between slash marks refer to pro-, meso- and metathoracic leg, respectively. A = anterior, AD = anterodorsal, AV = anteroventral, NS = natatory setae, PD = posterodorsal, Pr = proximal, Total = total number of secondary setae on the segment (i.e., excluding primary setae).| Segment | Position | Instar II (n = 1) | Instar III (n = 4) |
|---|
| Coxa | A | 0 / 0 / 0 | 1–3 / 2–4 / 2–5 |
|---|
| PD | 2 / 3 / 2 | 4–5 / 4–5 / 2–5 |
|---|
| Total | 2 / 3 / 2 | 6–8 / 6–9 / 8–10 |
|---|
| Trochanter | Pr | 1 / 1 / 1 | 1 / 1 / 1–2 |
|---|
| Tibia | A | 0 / 0 / 0 | 1 / 2–3 / 4–6 |
|---|
| AD | 1 / 3 / 5 | 3–4 / 5–6 / 6–7 |
|---|
| PD(NS) | 6 / 8 / 10 | 13–15 / 16–19 / 16–20 |
|---|
| Total | 7 / 11 / 15 | 17–20 / 24–28 / 28–32 |
|---|
| Tarsus | AD | 0 / 0 / 0 | 1–3 / 2–3 / 4–5 |
|---|
| AV | 1 / 3 / 4 | 1 / 2–3 / 4–5 |
|---|
| PD(NS) | 7 / 9 / 9 | 12–14 / 14–17 / 18–19 |
|---|
| Total | 8 / 12 / 13 | 15–17 / 20–24 / 27–28 |
|---|