Ditomyia
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publication ID |
https://doi.org/ 10.11646/zootaxa.4859.2.4 |
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publication LSID |
lsid:zoobank.org:pub:19608730-D202-4863-AF29-742F9B791732 |
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DOI |
https://doi.org/10.5281/zenodo.4538905 |
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persistent identifier |
https://treatment.plazi.org/id/03DB7A34-5204-FFBA-FF58-79AA2E85F3AC |
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treatment provided by |
Plazi |
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scientific name |
Ditomyia |
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Key to the species of Nearctic Ditomyia View in CoL View at ENA
1 Wing patterned ( Figs. 2 View FIGURES 1–4 & 11 View FIGURES 11–12 ); male terminalia as Figs. 13–15 View FIGURES 13–16 and female terminalia as Fig. 16 View FIGURES 13–16 ; eastern Nearctic…............................................................................................... D. euzona Loew View in CoL
- Wing hyaline; terminalia not as above…................................................................... 2
2 Antennal flagellomeres pale yellow (sometimes becoming light greyish-brown distally), nearly concolorous with pale yellow pedicel and scape, black spot marking base of each antennal seta strongly contrasting against yellow background color of flagellomere ( Fig 5 View FIGURES 5–6 ); mesonotum black to very dark brown ( Fig. 19 View FIGURE 19 ); male terminalia as Figs. 20–22 View FIGURES 20–23 , female terminalia as Fig. 23 View FIGURES 20–23 ; eastern Nearctic…...................................................................... D. potomaca Fisher View in CoL
- Antennal flagellomeres grey-brown, contrasting with pale yellow scape and pedicel, black spot marking base of each antennal seta not strongly contrasting against background color of flagellomere ( Fig. 6 View FIGURES 5–6 ); mesonotum pale yellow with light brown stripes ( Figs. 7 View FIGURES 7–10 & 24 View FIGURE 24 ); western Nearctic…........................................................................ 3
3 Macrotrichia of wing evenly distributed on basal third (cell br+bm with evenly spaced macrotrichia) ( Fig. 4 View FIGURES 1–4 ); male terminalia as Figs. 25–27 View FIGURES 25–28 , female terminalia as Fig. 28 View FIGURES 25–28 , with second segment of cerci broadly rounded and not tapered apically; female fore tibia ~1.1 times as long as fore basitarsus; British Columbia to California ............... … D. sohnsi Fitzgerald n. sp.
- Basal third of wing with macrotrichia unevenly distributed and with large bare areas (cell br+bm mostly bare) ( Fig. 1 View FIGURES 1–4 ); male unknown; female terminalia as Figs. 8–10 View FIGURES 7–10 , with second cercus more narrow and slightly tapered to a round point apically ( Fig. 10 View FIGURES 7–10 ); female fore tibia ~1.5 times as long as fore basitarsus ( Fig. 7 View FIGURES 7–10 ); Washington …............ D. elongata Fitzgerald n. sp.
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.