Fistulococcus, a new genus of soft scale insect (Sternorrhyncha, Coccidae) proposed for two new species from Hong Kong and Papua New Guinea Author Hodgson, Chris J. Author Martin, And Jon H. text Zootaxa 2005 1075 1 40 journal article 50973 10.5281/zenodo.170318 0e0c570c-5266-4c14-b254-c540b50c1976 1175­5326 170318 Key to instars of Fistulococcus species 1. With either fully­developed wings or wing­buds; mouthparts absent ........................... 2 ­ Wings and wing­buds absent; mouthparts well developed ........................................... 3 2. Wings fully developed; head, thorax, and abdomen clearly demarcated; with two pairs of simple eyes................................................................................................. adult male ­ Wing­buds present; head, thorax and abdomen not clearly demarcated;simple eyes absent ............................................................................................................... pupa or prepupa 3. Tubular ducts present in a submarginal row and elsewhere on dorsum .. 2nd instar male ­ Tubular ducts absent from dorsum ................................................................................. 4 4. Preopercular pores and preanal disc­pores present...................................... adult female ­ Preopercular pores and preanal disc­pores absent......................................................... 5 5. Submarginal ducts each without satellite pores or setae; each anal plate with an apical seta several times length of plate.......................................................... 1st­instar nymph ­ Submarginal ducts each with satellite pores and setae; each apical seta on anal plates shorter than length of each plate ................................................................................... 6 6. With 1 or more stout seta in submarginal band between adjacent submarginal cham­ bered ducts; anal plates each more than 80 m long; with a total of 15–20 submarginal chambered ducts around margin .........................................................3rd­instar female ­ Stout setae entirely absent from submarginal band between adjacent submarginal