Sexual dimorphism among species of Aleurocanthus Quaintance & Baker (Hemiptera: Aleyrodidae) in Taiwan, with one new species and an identification key Dubey, Anil Kumar Ko, Chiun-Cheng Zootaxa 2012 3177 1 23 RRW 593792 [379,558,1197,1223] Insecta Aleyrodidae Aleurocanthus Animalia Hemiptera 6 7 Arthropoda genus    1. Puparium pale, dorsal spines with laciniate apices ( Fig. 53).............................................  A. rugosa  -. Puparium black, apex of spines pointed or bifurcated......................................................... 2   2. Glandular spines present only on submargin and first abdominal segment, apex of spines bifurcated, none of them reaching well beyond margin; dorsum with prominent pores ( Fig. 28); operculum filling half the length of orifice; ventral subdorsum with band of spinules..........................................................................  A. eugeniae  -. Glandular spines present on all the dorsal areas, apex of spines pointed, most of them reaching well beyond margin; operculum almost filling the orifice; venter without dense spinules........................................................ 3   3. Vasiform orifice transversely elliptical in female puparia and subrectangular in male puparia; abdominal submedian spines almost uniform in size; marginal teeth much chitinised; submarginal spines on abdomen placed in transverse rows with closely placed bases of two to four spines; host plant  Cinnamomum osmophloeum( Fig. 32)................  A. lauriphaga  sp. nov.  -. Vasiform orifice cordate in both female and male puparia; abdominal submedian spines not uniform in size; usually the 4th and 7th pairs of spines longer than other submedian pairs; marginal teeth concolourous with remainder of cuticle; submarginal spines not placed in transverse rows, but bases of posterior-most 2nd and/or 3rd submarginal spines placed close together.... 4   4. Margin toothed; submargin with 11 pairs of spines, of which five pairs on cephalothorax; none or only one pair of the submarginal spines may be doubled at posterior abdominal area...................................................... 5  -. Margin crenulate; submargin with 15 or 16 pairs of spines, of which five pairs on cephalothorax; two pairs of submarginal spines may be doubled at posterior abdominal area........................................................... 6   5. Female puparium with 29 pairs of dorsal spines, of which 12 pairs on submargin; the 3rd posterior-most submarginal spines usually doubled at base.........................................................................  A. woglumi  -. Female puparium with 30 pairs of dorsal spines, of which 11 pairs on submargin ( Fig. 55); all the submarginal spines placed singly.....................................................................................  A. spiniferus   6. Transverse moulting suture turned anterolaterally; cephalic submedian/subdorsum with six pairs of spines; eye spots absent; none of the submarginal spines doubled at base ( Fig. 9); usually from  Citrusspecies......................  A. citriperdus  -. Transverse moulting suture not turned anterolaterally; cephalic submedian/ subdorsum with 9 pairs of spines; eye spots slightly elevated; the 2nd and 3rd submarginal spines on posterior abdominal area doubled at base ( Fig. 1); usually from Lauraceae..............................................................................................  A. cinnamomi