Encarsia dalbulae Polaszek and Luft Albarracin, 2010
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publication ID |
https://doi.org/ 10.1080/00222933.2010.520169 |
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persistent identifier |
https://treatment.plazi.org/id/EB52171B-1E7E-FFEA-FEC8-FC0EFD70C69C |
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treatment provided by |
Felipe |
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scientific name |
Encarsia dalbulae Polaszek and Luft Albarracin |
| status |
sp. nov. |
Encarsia dalbulae Polaszek and Luft Albarracin sp. nov.
( Figures 1 View Figure 1 , 2 View Figure 2 )
Description (Holotype)
Male: 0.57 mm.
Colour. Head and body largely brown. Lower occiput and stemmaticum darker than the rest of the head ( Figure 1A View Figure 1 ). Antennae uniformly pale brown. Scutellum and distal side lobes paler than mid-lobe and axillae ( Figure 1B View Figure 1 ). Legs pale yellow, except coxae and distal tarsal segments, brown. Fore wings slightly infuscate below marginal vein ( Figure 1C View Figure 1 ).
Morphology. Antenna with seven antennomeres ( Figure 1D View Figure 1 ), the flagellum with five, one fewer than is usual for the genus. Scape three times as long as wide. Flagellomeres F1–F4 approximately equal in length, lengths of F1–F 5 in the following ratios: 1: 1.1: 1.1: 1.1: 1.5. F1 with two basiconic sensilla subapically; F2 and F3 with a ventral row of four and two basiconic sensilla respectively ( Figure 2 View Figure 2 ; but see below under “Variation”); stemmaticum with distinct reticulate sculpture, frons laterally striate ( Figure 1A View Figure 1 ). Mid-lobe of mesoscutum with four pairs of setae, side lobes with two setae each ( Figure 1B View Figure 1 ). Scutellar sensilla separated by three times the maximum width of a sensillum (though slightly distorted in holotype). Distance between bases of anterior scutellar setae slightly less than that between posterior pair; anterior setae slightly shorter than posterior pair. Fore wing three times maximum width of wing disc, uniformly setose (no asetose area around stigmal vein). Marginal fringe 0.55 times as long as maximum width of disc. Basal cell with three setae arranged in a row. Submarginal vein with two small setae, situated close to the wing base. Marginal vein anteriorly with seven long setae. Tarsal formula 5-5-5. Mid-tibial spur as long as the shorter side of the mid-basitarsus (observed in paratype specimen, as holotype has both mid-legs missing). Metasomal terga with the following numbers of setae: T1, 0; T2, 1; T3, 1; T4, 1; T5, 1; T6, 0. T5 and T6 with a pair of setae centrally. T7 with two setae, and with five rows of transverse denticles. Male genitalia as in Figure 1D View Figure 1 .
Variation
Very little in the limited material examined (n = 10). Some specimens have a seta fewer on the mesoscutal mid-lobe. At least two paratypes have three basiconic sensilla on F3, and it may be that the third is present but not visible in the holotype.
Female
Unknown.
Distribution
Argentina.
Host
Dalbulus maidis (DeLong and Wolcott) Hemiptera : Cicadellidae .
Material examined
Holotype male. ARGENTINA: Santiago del Estero, Naranjito 20–26 December 2006 (E. Luft Albarracin) ex egg of D. maidis (DeLong and Walcott) (IMLA) .
Paratypes. Two males, same data as holotype UCRC ENT 75916 ( MLPA, UCRC); two males ARGENTINA: Tucumán, El Manantial, (E. Luft Albarracin) ex eggs of D. maidis 24 January to 2 February 2005 ( IMLA, UCRC); one male ARGENTINA: Tucumán, El Manantial, (E. Luft Albarracin M ◦ 136) ex eggs of D. maidis 21–27 January 2005 ( NHM); one male ARGENTINA: Tucumán, El Manantial, (E. Luft Albarracin M ◦ 16) ex eggs of D. maidis 29 December 2005 to 4 January 2006 ( NHM); two males ARGENTINA: Tucumán, Los Nogales , 8–12 February 2007 (E. Luft Albarracin) ex eggs of Dalbulus maidis (IMLA) .
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.