Polyplocia campylociella Ulmer, 1939

Kwanboon, Sedtawut, Boonsoong, Boonsatien & Suttinun, Chanaporn, 2023, Taxonomic review of the Oriental genus Polyplocia Lestage, 1921 (Ephemeroptera, Euthyplociidae), with two new records for Thailand, ZooKeys 1179, pp. 197-217 : 197

Polyplocia campylociella Ulmer, 1939

Polyplocia crassinervis = P. crassinervis Ulmer, 1939 ( Demoulin 1953).

Polyplocia campylociella Ulmer, 1939: 468, figs 10-11, original description (female subimago).

Polyplocia crassinervis Ulmer, 1939: 470, figs 12-15, male subimago).

Polyplocia crassinervis ( Demoulin 1952: 18, fig. 4, male imago).

Polyplocia campylociella ( Demoulin 1953: 1, fig. 1, female imago = P. crassinervis ).

Polyplocia campylociella ( Demoulin 1966: 137, fig. 1, immature nymph).

Polyplocia campylociella ( Gonçalves and Peters 2016: 558, male and female imago).

Material examined.

Malaysia: One immature nymph in alcohol, deposited in ZMKU, Sarawak, Marudi district, Miri division, Gunung Mulu , Sungai Paku , 4°02'51.0"N, 114°50'11.9"E, ~ 240 m, 13.VI.2023, B. Boonsoong leg.

Diagnosis.

The imago of P. campylociella can be distinguished from those of other Polyplocia species based on the following characteristics: i) wings with dark clouds around cross veins and margins, ii) membrane of forewing with little dark colour on C and Sc fields, iii) styliger plate rounded, and iv) penis V-shaped without dorsal spine ( Demoulin 1952).

Description.

Male imago. See Demoulin (1952).

Female imago. See Demoulin (1953).

Nymph. See Demoulin (1966). In this study, only one immature nymph was collected. The specimen possessed a pair of anterolateral black marks on abdominal sterna. COI sequences were analysed from the sample.

Distribution.

Malaysia (Sarawak), Indonesia (Sambas).

Remarks.

The possible nymph of P. campylociella was described based on one immature nymph by Demoulin (1966) from Sambas (Indonesia). Additional illustrations of P. campylociella are provided in Miller et al. (2018) and Jacobus et al. (2019). The distribution of P. campylociella is limited to Insular Asia.