(Table 5)
Material compared: “ Holotype Ψ India, Kerala St. 2 m. W. Vayitri ex. stream 15 February 1963, D.R. Cook IND 81 ” (FMNH). State of conservation: mounting medium slightly darkened and turbid, right palp missing.
Remarks: H. tonapii was described by Cook (1967) from a single female specimen taken in Kerala State (India). The description of this species did not include a discussion of affinities. Furthermore Cook gave no information about the presence and number of swimming setae on II/III-L. The number and distribution of swimming setae on legs (see Table 5), makes H. tonapii similar to H. reinhardi Pesic (Mediterranean) and H. wilesi sp. nov. (see above). For a clearer separation of H. reinhardi and H. tonapii, information on general variability of measurements in additional specimens of H. tonapii is necessary (Pesic 2002).
Distribution: India.
Habitat: stream.
H.tonapii female holotype
II-L- 5 posterior 0
III-L- 4 posterior 3
III-L- 5 posterior 3
IV-L- 4 anterior 2
IV-L- 4 posterior 3
IV-L- 5 anterior 0
IV-L- 5 posterior 2