Argentoleon irrigatus (Gerstaecker)

Stange, Lionel A. & uary, Jan, 2010, Preliminary report on the Myrmeleontidae (Neuroptera) of Paraguay, Insecta Mundi 2010 (114), pp. 1-14 : 6-7

10. Argentoleon irrigatus (Gerstaecker)

Formicaleo irrigatus Gerstaecker 1893:133 . Holotype female, São Paulo, Brazil (EMAU).

= Brachynemurus meridionalis Banks 1909: 2 (after Stange 2004: 229). Holotype female, Sapucay, Paraguay, 30.I. (MCZC).

= Brachynemurus argentinus Banks 1910:146 (after Stange 1967: 53). Lectotype male, Mendoza, Argentina, Jensen-Haarup (MCZC), designated by Stange 1961: 675.

= Clathroneuria amazonica Navás 1914a:215 (after Esben-Petersen 1920b:193). Holotype male, Amazon , Brazil (NHMW).

= Austroleon clavatus Navás 1915c: 126 (after Stange 1967:53). Lectotype female, Tapiluque, Río Negro, Argentina, 5.III.1915, L. Nink (MACN).

= Austroleon alienus Navás 1915b: 9 (after Navás 1935: 362; Stange 1967: 53). Holotype female, Alto Pencoso, San Luis ( Argentina), II.1914, C. Bruch (La Plata).

= Austroleon antennatus Navás 1919: 295 (after Stange 1967: 53). Holotype male, Puerto Madryn (Mastryn!), Chubut (Zaragoza, destroyed).

= Austroleon sectorius Navás 1920c: 58 (after Stange 1967: 53). Syntypes, La Granja, Alta Gracia, Cordoba, 1-8.IV.1920, C. Bruch (not located).

= Austroleon stictogaster Navás 1913: 13 (after Stange 2004: 229). Holotype, San Bernardino, Paraguay, 28.II., K. Fiebrig (MZBS).

= Austroleon latipennis Banks 1922: 60 (after Stange 2004: 229). Holotype, Chapada, Brazil, H.H. Smith (MCZC).

= Austroleon graphonotus Navás 1934: 15 , figure 27 (vertex, nota) (after Stange 1967: 53). Holotype female, Arroyo Sanchez, Río Negro, Argentina (MZBS).

Known distribution. Argentina; Bolivia; Brazil; Paraguay; Uruguay; Venezuela.

Diagnosis. Adult: Frons without setae; antenna short, same length in both sexes, about 30 flagellomeres; antennal fossae separated by about width of pedicel; fore femur without clavate setae; ocular rim without setae; fore femoral sense hair as long as fore femur and mid femoral sense hair; mesonotum without blade-like setae; tibial spurs present; pretarsal claws large, longer than one-half length of distal tarsomere; pilula axillaris large; fore wing vein 2A runs in a fairly even curve toward 3A; posterior area of hind wing narrower than presectoral area, CuA bends to hind margin at or before origin of medial fork; anterior banksian line weakly developed; postventral lobe of male ectoproct more than eight times longer than middle diameter, without secondary lobes; male paramere platelike, without hinge; genital sac with lateral lobe-like sclerite; mediuncus smooth; female terminalia with pregenital plate membranous, without median tooth; gonapophyseal plate narrow, short, not transverse; lateral gonapophyses separated, with strong digging setae; ectoproct with digging setae; posterior gonapophyses without scraping setae. Coloration: Fore wing without dark brown stripe in mediocubital area. Larva: Head capsule with dolichasters; mandible with distance between base and basal tooth about equal to that between teeth; mesothoracic spiracle borne on tubercle that is longer than basal width; abdominal spiracles weakly raised; submedian tooth on sternite VIII longer than basal width.

Material studied. PARAGUAY. Caazapá: Colonia Neufeld , 26 o 28’S, 55 o 55’W, 24.IX.-2.XI.2008, U. Dreschel (1m, 2f, FSCA) . Cordillera: San Bernardino, 28.II, Fiebrig ( MZBS) (Holotype Austroleon stictogaster Navás ) ; Kanindeyu: Carapa 230, 24 o 22’S 54 o,23’W, 1-10.XII.2007, U. Dreschel (1f, FSCA) . Paraguarí: Sapucay, 30.I. ( MCZC) . San Pedro: Carumbé, II.1.1966, R. Golbach (1m, FSCA) .