According to Dr Ikeda male palp below belong to Helicius yaginumai
2. by Proszynski 1973 and 1976
Source: Original drawings by A. Bohdanowicz, published in: Bohdanowicz A., Proszynski] J. 1987. Systematic studies on East Palaearctic Salticidae (Araneae), IV. Salticidae of Japan. Annales zoologici, Warszawa, 41, 2: 61-63, ff. 49-54.
2. Proszynski J. 1973b. Systematic studies on East Palaearctic Salticidae II. Redescriptions of Japanese Salticidae of the Zoological Museum in Berlin. Annales zoologici, Warszawa, 30: 125, figs 72-73.
With Authors' and Editor's permission.
and
Proszynski J. 1976. Studium systematyczno-zoogeograficzne nad rodzina Salticidae (Aranei) Regionow Palearktycznego i Nearktycznego. Rozprawy Wyzszej Szkoly Pedagogicznej, 6. Siedlce: map 70. With Author's and Editor's permission.
See also: Yaginuma 1986a: 240, f. 133.4; Chicuni 1989: 158, f. 55