Eulecaniinae

Đurović, Gordana, Spodek, Malkie & Ülgentürk, Selma, 2024, Investigations on the immature stages of some species of Eulecaniinae (Hemiptera: Coccomorpha: Coccidae), Zootaxa 5405 (4), pp. 451-494 : 490-491

Key to second-instar male nymphs of Eulecaniinae found in Ankara

1 Spiracular setae absent. On Picea (spruce).................................................. Physokermes piceae

- Spiracular setae present. Not on Picea ..................................................................... 2

2 Spiracular setae numbering 2 in each spiracular cleft......................................................... 3

- Spiracular setae numbering 3 in each spiracular cleft......................................................... 4

3 Each side of dorsum with 1 submarginal longitudinal line of tubular ducts. On Abies (fir).......... Physokermes hellenicus

- Each side of dorsum with 1 submarginal line and 1 short submedian line of tubular ducts. On Rosa (roses)................................................................................................ Rhodococcus perornatus

4 Each side of dorsum with 1 or more submarginal line and without or short submedian line of tubular ducts. Spiracular setae unequal in length, with median seta clearly longer than lateral setae............................................. 5

- Each side of dorsum with 2 submarginal lines and 2 short radial rows of tubular ducts, and 1 long submedian line. Spiracular seta lengths subequal, with median seta almost same length as lateral setae........................................ 6

5 Each side of dorsum with single submarginal longitudinal line of tubular ducts, and without submedial line of tubular ducts. Venter with heavily rimmed pores, and 3 pairs of submedian setae on abdomen............... Sphaerolecanium prunastri

- Each side of dorsum with complex submarginal longitudinal lines of tubular ducts and a long submedian line of tubular ducts. Venter without heavily rimmed pores; submedian setae on abdomen numbering 6 pairs..... Palaeolecanium bituberculatum

6 Each side of dorsum with inner longitudinal line of tubular ducts running from head to anal lobes..... Eulecanium cerasorum

- Each side of dorsum with inner longitudinal line of tubular ducts running from head to thorax........................ 7

7 Each side of dorsum with inner longitudinal line of tubular ducts running from head to anterior spiracular cleft.................................................................................................. Eulecanium tiliae

- Each side of dorsum with inner longitudinal line of tubular ducts running from head to posterior spiracular cleft............................................................................................... Eulecanium ciliatum