Dimarella riparia (Navás)

Stange, Lionel A. & uary, Jan, 2010, Preliminary report on the Myrmeleontidae (Neuroptera) of Paraguay, Insecta Mundi 2010 (114), pp. 1-14 : 4

3. Dimarella riparia (Navás)

( Figure 3 )

Nobra riparia Navás 1918: 16 . Lectotype male, Santa Fe, Argentina, 19.I.1917 (MZBS), designated by Stange 1967: 59.

= Dimarella pallida Navás 1933: 89 (after Stange 1967: 59). Holotype female, San Miguel, Argentina, 25.XI.1932 Bridarolli (MZBS).

Further description. Miller and Stange 1989: 23.

Known distribution. Argentina; Brazil; Uruguay.

Diagnosis. Adult. Body length 21 to 24 mm (females) or 24 to 26 mm (males); fore wing length 24 to 27 mm., antennal fossa separated from ocular rim by more than greatest width of pedicel; mid leg shorter than fore leg which is shorter than hind leg; subcostal and radial veins in both wings widely separated by at least diameter of subcostal vein well before their fusion at stigmal area; postventral lobe of male ectoproct longer than eight abdominal segment. Coloration: Head mostly pale brown, with extensive reddish brown vertex scars, submedial dark spots at posterior margin of vertex, shiny fuscous band above antennal fossae, broken by pale brown medially, above which separated by pale area; narrow shiny fuscous band below antennal fossa; pronotum gray brown, paler. Larva: unknown.

Figures

Figure 1-4. Habitus photographs. 1) Dimares elegans (Perty) [holotype female of Myrmeleon conicollis Walker]. 2) Dimarella riparia Navás lectotype male. 3) Dimarella praedator (Walker) holotype female. 4) Eremoleon pulchra (Esben-Petersen) holotype female. 5) Glenurus peculiaris (Walker) [holotype of Glenurus brasiliensis Navás]. 6) Ameromyia hirsuta Navás [holotype female of Ameromyia longiventris Navás].7) Argentoleon longitudinalis (Navás) holotype female. 8) Austroleon immitus (Walker) holotype female.