Investigations on the immature stages of some species of Eulecaniinae (Hemiptera: Coccomorpha: Coccidae) Author Đurović, Gordana Chemical Ecology, Cardiff University, Cardiff CF 10 3 AT, UK Author Spodek, Malkie The Steinhardt Museum of Natural History, Tel Aviv University, Tel Aviv, Israel Author Ülgentürk, Selma Ankara University, Faculty of Agriculture, Department of Plant Protection, 06110, Dışkapı, Ankara, Türkiye text Zootaxa 2024 2024-02-01 5405 4 451 494 http://dx.doi.org/10.11646/zootaxa.5405.4.1 journal article 287315 10.11646/zootaxa.5405.4.1 cd372a50-a0a4-4f5d-a737-ff6787279ca9 1175-5326 10603625 F86CC6FF-CF14-4794-8364-CD1343EF9B16 Key to first-instar nymphs of Eulecaniinae found in Ankara 1 Spiracular setae and dorsal microducts absent. On Picea (spruce)................................ Physokermes piceae - Spiracular setae present; dorsal microducts present or absent. Not on Picea ....................................... 2 2 Spiracular setae numbering 2 in each spiracular cleft. Dorsum with simple pores in longitudinal lines on dorsum.......... 3 - Spiracular setae numbering 3 in each spiracular cleft. Dorsum with longitudinal lines either of mixed microducts and simple pores, or of simple pores only........................................................................... 4 3 Each side of dorsum with simple pores in 2 longitudinal lines. On Abies (fir).................... Physokermes hellenicus - Each side of dorsum with simple pores in 2 longitudinal lines. On Rosa (roses)................. Rhodococcus perornatus 4 Spiracular seta lengths unequal, with median seta clearly longer than lateral setae.................................. 5 - Spiracular seta lengths subequal, with median seta almost same length as lateral setae............................... 6 5 Dorsum with large microducts (large bilocular pores) near mid-line; each side with 2 longitudinal lines of simple pores only........................................................................... Palaeolecanium bituberculatum - Dorsum without large microducts; each side with 2 longitudinal lines of simple pores and microducts................................................................................................. Sphaerolecanium prunastri 6 Each side of dorsum with 2 lines of simple pores closely paired with microducts. Spiracular setae slender, base of each seta about 2.5 μm wide................................................................... Eulecanium cerasorum - Each side of dorsum with 2 or 3 lines of simple pores, either closely paired with or separate from microducts. Spiracular setae thicker, base of each seta about 5 μm wide................................................................. 7 7 Each side of dorsum with 3 longitudinal lines: 2 lines consisting of simple pores only, with a line of microducts between them. Spiracular setae bluntly spinose............................................................. Eulecanium tilia e - Each side of dorsum with submarginal longitudinal lines consisting of simple pores and dorsal microducts; submedial lines containing microducts only. Spiracular setae conical, apically rounded............................ Eulecanium ciliatum