Zagrammosoma fisheri Perry, 2021

Perry, Ryan K. & Heraty, John M., 2021, Read between the lineata: A revision of the tattooed wasps, Zagrammosoma Ashmead (Hymenoptera: Eulophidae), with descriptions of eleven new species, Zootaxa 4916 (1), pp. 1-108 : 47

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Zagrammosoma fisheri Perry

n. sp.

Zagrammosoma fisheri Perry n. sp.

( Fig. 15 View FIGURE 15 )

Diagnosis. Zagrammosoma fisheri is identified by the wide dark band found dorsally on the mesosoma and the dark brown or black gaster ( Fig. 15C, D View FIGURE 15 ); no other species of Zagrammosoma has this color combination. Male Z. centrolineatum may be identified as Z. fisheri due to similarities in mesosoma color patterns ( Fig. 15E View FIGURE 15 vs Fig. 10E View FIGURE 10 ), but the gaster is more yellow in Z. centrolineatum ( Fig. 10E View FIGURE 10 ), and the fore wing pattern in Z. centrolineatum is distinct and dissimilar to any other species of Zagrammosoma ( Fig. 10C View FIGURE 10 ). The wide dorsal band on the mesoscutum, in both males and females, is also thinner in Z. fisheri ( Fig. 15D, E View FIGURE 15 ) than it is in Z. centrolineatum ( Fig. 10D, E View FIGURE 10 ).

Description. Female - body length = 1.23–1.45mm. Metallic luster on body absent. Scape with dark stripe present dorsally. Lower face with median stripe absent, or with 2 submedian stripes present. Vertex with 2 stripes above compound eye. Gena posteriorly with a wide, dark band. Occiput with two dark, vertical stripes. Pronotum with median stripe complete; laterally with 2 black stripes. Prepectus yellow with dark stripe along dorsal margin. Mesoscutum with median stripe complete. Mesoscutellum with one or three dark lines. Propodeum all dark. Fore wing: basal band absent; cubital band present; parastigmal and stigmal bands present, with perpendicular extension greater than that of the stigmal vein; postmarginal band present, with perpendicular extension greater than that of the stigmal vein, but less than 75% of fore wing width; apical band absent; connections from basal to parastigmal bands, from parastigmal to stigmal bands, and from stigmal to postmarginal bands absent. Hind wing hyaline. Procoxa, mesocoxa, and metacoxa uniformly dark. Profemur uniformly yellow. Mesofemur and metafemur with banding encircling femur. Gaster dark.

Upper ocular sulcus present but very faint. Scattered short setae on vertex present. Pedicel longer than wide. Funiculars symmetrical: first subequal (w:l = 1.0); second wider than long (w:l = 1.5).

Pronotum, in dorsal view, bell-shaped, wider than long (w:l = 1.5–1.71); 3 pairs of setae along posterior margin. Reticulate mesoscutum; small, scattered setae present; intermediary setae absent. Mesoscutellum wider than long (w:l = 1.06–1.24); submedian grooves absent. Hind tibial spurs distinctly shorter than basitarsus. Hind basitarsus shorter than 2nd tarsomere (bst:2nd = 0.75).

Fore wing l:w = 2.18–2.34. Submarginal vein with 5 setae dorsally. Basal fold setose. Cubital fold setose. Admarginal setae present. Uncus originating on stigma by more than own length from stigmal apex.

Male - as female except: body length: 1.18mm. First funicular wider than long (w:l = 0.8); second funicular subequal (w:l = 1.0).

Remarks. This species is rare, described using only three specimens and appears to be found only in Southern California. The female gaster is shiny and may appear metallic under certain microscopes ( Fig. 15D View FIGURE 15 ), however, there is no metallic luster present as there is in Z. metallicum ( Fig. 32D View FIGURE 32 ).

Hosts. Unknown.

Distribution. Nearctic: USA (CA) ( Fig. 22 View FIGURE 22 ).

Etymology. Named in honor of Dr. Brian L. Fisher.

Type material. Holotype: USA: California: San Bernardino Co., Arrowhead Lake Rd. , 903m, 34°23’4”N, 117°15’21”W, 18.viii.1983, H. Andersen, Sweep [1♀, UCRC: UCRCENT498888 View Materials ], deposited at UCRC GoogleMaps . Paratypes: USA: California: Kern Co., Indian Wells Canyon , 1300m, 35°41’46”N, 117°56’58”W, 19–21.viii.2011, M. E. Irwin, small dry wash, MT [1♁, UCRC: UCRCENT491710 View Materials (D6706)] GoogleMaps . San Bernardino Co., Arrowhead Lake Rd. , 903m, 34°23’4”N, 117°15’21”W, 18.viii.1983, H. Andersen, Sweep [1♀, UCRC: UCRCENT498889 View Materials ] GoogleMaps .


University of California, Riverside