Synonyms and other taxonomic changes
Javesella pellucida (Fabricius)
Orig. Comb: Delphacodes pellucida Fabricius, 1794
Size
brachypterous 2.1-3.4 mm,
macropterous 4-5 mm
Identification
The dark ring around the tip of the first antennal segment is distinctive for this common insect. (per Andy Hamilton)
Dets. A. Hamilton
head wider between eyes than in
Isodelphax or
Toya propinqua; wings lack dark mark where they meet over abdomen; antenna darker at base than at expanded tip of second segment (before the bristle); large leaflike calcar (spur) on hind leg. [adapted from Dr Hamilton's comments]
Range
CA-FL-NF-AK / W. Indies -
Map (3)(4)(BG data)
(5); (holarctic)
(6)
one of our most widespread common Delphacid species, second only to Muirodelphax arvensis (comment per Andy Hamilton)
Habitat
wet habitats, cultivated fields, sedge meadows
Season
mostly: Jun-Oct (BG data)
Food
Polyphagous on a grasses, sedges, and bulrushes; also uses certain conifers and horsetails in Europe
(8)\
Switch host grasses from one generation to the next due to nitrogen availability.
(9)Life Cycle
one generation per year in the north, and two in the south; overwinters as a nymph
Remarks
vector of European wheat striate mosaic virus (EWSMV), a pathogen of several cereals