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Helobata soesilae sp. nov. and Helobata aschnakiranae sp. nov.
from Suriname (Coleoptera: Hydrophilidae)
by Dr Dewanand Makhan*
*Willem Bilderdijkhove 19, 3438 PM Nieuwegein, The Netherlands.
Makhan, D. (2007). Helobata soesilae sp. nov. and Helobata aschnakiranae sp. nov. from Suriname
(Coleoptera: Hydrophilidae). Calodema Supplementary Paper No. 14: 1-3.
Abstract: In this paper, two species from the family Hydrophilidae are described from Suriname, Helobata
soesilae sp. nov. and Helobata aschnakiranae sp. nov.
Introduction
The genus Helobata Bergroth, 1888 forms a small group with 9 species: Helobata
bitriangulata Garcia, 2000, from Venezuela, H. confusa Fernandez & Bachmann, 1987, from
Paraguay, H. corumbaensis Fernandez & Bachmann, 1987, from Brazil, H. cossyphoides
(Bruch, 1915) from Argentina, H. cuivaum Garcia, 2000, from Venezuela, H. lilianae Garcia,
2000, from Venezuela, H. perpunctata Fernandez & Bachmann, 1987, from Argentina, H.
quatipuru Fernandez & Bachmann, 1987, from Brazil and H. striata (Brulle, 1841) from
North and South America.
In this paper, the first Helobata Bergroth species are described from Suriname, Helobata
soesilae sp. nov. and Helobata aschnakiranae sp.nov. Holotypes are deposited in the insect
collection of the University of Suriname, Department of Entomology, Paramaribo. Suriname.
Helobata soesilae sp. nov.(Fig. 1)
Holotype: Male. Suriname, Nieuw Amsterdam. 17.7.1992, D. Makhan. Paratypes: Suriname,
Nieuw Amsterdam. 17.7.1992, D. Makhan, 2 females; Suriname, District Commewijne,
Leliendaal, 16.11.2002, D. Makhan, 2 males and 4 females; Suriname, District Commwijne.
19.4.1996, D. Makhan, 1 male.
Description (holotype male): Body elongately oval, length 5.8 mm, width 3.0 mm, red-
brown. Head red-brown, between the eyes black, granulated and with yellow-brown short
setae. Pronotum red-brown, black on the middle, length 2.9 mm, width 1.7 mm, granulated,
lateral area smooth, with yellow-brown short setae. Elytra length 3.5 mm, width 3.0 mm,
widest at posterior third, granulated, lateral area smooth, with yellow-brown short setae,
striae punctures coarse, interstriae convex, red-brown with black lines and black spots. Male
genitalia (Fig. 1): Basal piece short, parameres longer than median lobe.
Etymology: This species is named after my wife, Soesila Makhan.
Calodema Supplementary Paper No. 14
(2007)
Page 1
Remarks: Helobata soesilae sp. nov. is very similar to Helobata aschnakiranae sp. nov. but
there is a difference in the shape of the male genitalia (compare Fig. 1 and Fig. 2).
Figs. 1-2. Male genitalia: 1 = Helobata soesilae sp. nov., 2 = Helobata aschnakiranae sp. nov. (scale line =
0.5 mm)
Calodema Supplementary Paper No. 14
(2007)
Page 2
Helobata aschnakiranae sp. nov. (Fig. 2)
Holotype: Male. Suriname, District Commwijne. 19.4.1996, D. Makhan (only the
holotype).
Description (holotype male): Body elongately oval, length 6.0 mm, width 3.0 mm, brown.
Head brown, between the eyes black, granulated and with yellow-brown short setae.
Pronotum length 2.9 mm, width 1.7 mm, black on the middle, granulated, lateral area smooth,
with short yellow-brown setae. Elytra length 3.8 mm, width 3.0 mm, widest at posterior
third, granulated, lateral area smooth, with yellow-brown short setae, striae punctures coarse,
interstriae convex, brown with black lines and black spots with yellow-brown short setae.
Male genitalia (Fig. 2): Basal piece short, parameres longer than median lobe.
Etymology: This species is named after my daughter, Aschnakiran Makhan.
Remarks: Helobata soesilae sp. nov. male genitalia is larger and wider than the male genitalia
of Helobata aschnakiranae sp. nov. (compare Fig 1 and Fig. 2).
References
Fernandez, L.A & Bachmann, A.O. (1987). Revision del genero Helobata Bergroth (Coleoptera:
Hydrophilidae). Revista Soc. Ent. Arg., 44 (2): 149-159.
Garcia, M. (2000). Three new species of Helobata Bergroth 1888 (Hydrophilidae: Hydrophilinae) from
Venezuela. [Spanish]. Boletin del Centro de Investigaciones Biologicas Universidad del Zulia, 34(2): 237-246.
Date of publication: 20 May 2007
Copyright: Dr Dewanand Makhan
Editor: Dr T.J.. Hawkeswood (www.calodema.com)
Calodema Supplementary Paper No. 14
(2007)
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