Kovács I. (szerk.): A Magyar Természettudományi Múzeum évkönyve 78. (Budapest 1986)

Rougemont, G. M.: New Stiliderus Motschulsky species from the Indo-Australian Region (Coleoptera, Staphylinidae)

Stiliderus discalis (FAUVEL) Stilicoderus discalis FAUVEL, 1895, Rev. d'Ent 14: 225. .Stiliderus discalis: ROUGEMONT (1986) Ent. Abh. Mus. Tierk. Dresden 49(8): 163. 1 Ç : Vietnam, Cuc-phù6ng Bông jungle, extracted from litter 12-15. XII. 1965 leg. T. Pócs; 1 rf & 1 9 : ibid., extracted from roots of Asplenium nidus 15. XII. 1965, leg. T. Pócs. This is the first member of the genus recorded from Vietnam. The species is known from Burma •and Thailand. Stiliderus nepalensis ROUGEMONT Stiliderus nepalensis ROUGEMONT (1986) Ent. Abh. Mus. Tierk. Dresden 49(8): 172. Stiliderus nepalensis ROUGEMONT (1986) Rev. Suisse de Zool. 93(1): 233 1 $ : India, W. Bengal, Darjeeling Distr. on road to Lebong. leg. Gy. Topái. No. 311 sifted litter, mosses 11. IV. 1967. This species is known with certainty from two localities in Nepal, and possibly (1 9) from Sikkim. Only the eventual discovery of males will prove that this ex. belongs to S. nepalensis and not to the variable S. kambaitiensis SCHEERPELZ. * * * The following five taxa belong to the New Guinea hieroglyphicus-group, comprising species which are so similar that they may only be determined by examination of the aedeagus. At least some of these species are sympatric, so that females among material from the same locality containing more than one species are for the present indeterminable, and are labelled by me "Stiliderus sp. hieroglyphicus gr.". Because I can find no other characters for the seperation of these species, I have, as in a previous paper (ROUGEMONT, in press Reichenbachia, Mus. Tierk. Dresden) limited descriptions to the proportions of holotypes; in all other respects the characters may be assumed to be those of S. hieroglyphicus FAUVEL as redescribed in my revision (ROUGEMONT 1986). To facilitate determinations without recourse to other papers, I give below a plate of figures of the aedeagi of all the species known so far. Stiliderus loksai sp. n. rf holotype & 4 çfçf paratypes : New Guinea / NE, Wau, Kilolo Creek, 26. VIII. 68 / No. NG-W :R.7 / leg. Dr. I. Loksa; 2 çfçf Paratypes: New Guinea / NE, Wau 8. IX. 68 / No. NG-W R.19 / leg. Dr. I. Loksa. Proportions of holotype: length: 4.6 mm; length of head: 63; breadth of head: 76; length of antennae: 125; length of pronotum: 66; breadth of pronotum: 60; length of elytra: 77; breadth of elytra: 74. This species is best characterised by the shape of the parameroid lobes, which resemble those of 5. hornabrooki ROUGEMONT, but are different in outline (see Figs. 6 & 9). The paramere is also similar to that species, but is not quite so broad (in ventral view), and is longer (not reaching beyond the apices of parameroid lobes in S. hornabrooki), it's apex recurved as in S. hieroglyphicus FAUVEL, 5. leai ROUGEMONT and others. Stiliderus wauensis sp. n. çf holotype: New Guinea / NE / Wau, Kilolo Creek, 26. VIII. 1968 / No. NG-W R. 7 / leg. Dr. I. Loksa. Proportions of holotype: length: 5 mm; length of head: 67; breadth of head: 72; length of antennae: 126; length of pronotum: 66; breadth of pronotum: 62; length of elytra: 82; breadth of elytra: 80. The broad subtriangular (in lateral view) shape of the parameroid lobes is unlike that of any other member of the hieroglyphicus group except the following species. The paramere is fairly broad, laterally compressed, the apex scarcely reaching beyond the parameroid lobes, not dilated or recurved (fig. 4).