Dimarella praedator (Walker)

Stange, Lionel A. & uary, Jan, 2010, Preliminary report on the Myrmeleontidae (Neuroptera) of Paraguay, Insecta Mundi 2010 (114), pp. 1-14 : 3

2. Dimarella praedator (Walker)

( Figure 2 )

Myrmeleon praedator Walker 1853: 391 . Holotype female, Santarem , Brazil (BMNH).

= Nobra martinsi Navás 1915b: 6 , figure 2 (base fore wing) (after Miller and Stange 1989: 26). Syntype females, Río Purus, Brazil, 1904 (MNHN).

= Nobra silvaticus Navás 1918: 6 , figure 13 (tarsus; base fore wing) (after Miller and Stange 1989: 26). Holotype female, Mato Grosso, Brazil (La Plata).

Further description. Miller and Stange 1989: 26, figure 40 (abdomen).

Biology. Miller and Stange 1989: 26, figure 42 (labial palpus, larva).

Known distribution. British Guiana; Paraguay; Perú; Surinam; Venezuela.

Diagnosis. Adult: 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; mesoscutum with white bristles; subcostal and radial veins closely approximated by much less than diameter of subcostal vein well before their fusion at stigmal area; postventral lobe of male ectoproct less than one-half length of eighth abdominal segment. Coloration: Abdomen usually mostly dark brown with pale markings. Larva: Distal palpomere of labium pale brown with sensory opening weakly swollen; pronotum with about ten peg-like setae in a row from anterior margin of posterior dark brown spot to anterior margin; setae near middle of dorsal head capsule not obviously expanded from base and less than four times longer than greatest width; ventral head capsule with submedian dark brown spot near middle; base of pale brown fore coxa with small dark brown area; area between fore coxae pale brown.

Material studied. PARAGUAY. Alto Parana: Estancia Dimas , 650'. 25 o 32' S, 55 o 13' W, 7-10.II.2008, U. Dreschel, (3f, FSCA) . Caazapá: Golondrina , 660', 25 o 32’S, 55 o 29' W, 14-19.III.2009, U. Dreschel, (4f, FSCA) ; Kanindayi: Carapa , 230', 24 o 22’S, 54 o 25’W, 1-10.XII.2007, U. Dreschel (1f, FSCA) . San Pedro: Carumbé, I. 28.2005, R. Golbach (1f, FSCA) .

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.