Phenacoccus betae Moghaddam,

Moghaddam, Masumeh, 2013, A review of the mealybugs (Hemiptera: Coccoidea: Pseudococcidae, Putoidae and Rhizoecidae) of Iran, with descriptions of four new species and three new records for the Iranian fauna, Zootaxa 3632 (1), pp. 1-107: 49

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Phenacoccus betae Moghaddam


Phenacoccus betae Moghaddam 

( Fig. 26View FIGURE 26)

Phenacoccus betae Moghaddam, 2010 a: 65  –67. Holotype adult Ƥ, Iran, Kermanshah (HMIM).

DIAGNOSIS. Body of female broadly oval. Antennae normally 9 segmented. Legs well developed, translucent pores small and difficult to observe, present on hind femur and tibia; claws with a small but distinct denticle. Cerarii numbering 7 pairs, 4 on head (C 1 –C 4), and 3 on last 3 abdominal segments (C 16 –C 18). Anal lobe cerarii each with a pair of lanceolate setae, and 4 or 5 trilocular pores. Anterior cerarii with 2 small lanceolate setae and 2 or 3 trilocular pores. Preocular cerarii (C 3) with 3 lanceolate setae. Circulus absent. Ostioles well developed. Dorsal multilocular disc pores present across posterior edges of abdominal segments V −VII, and ventrally in 2 or 3 rows across posterior edges of abdominal segments IV −VII, on anterior edge of segment VII, on margin of abdominal segment III, and posterior to vulva. Quinquelocular pores few around mouthparts. Trilocular pores present, evenly dispersed. Discoidal pores minute, scattered. Dorsal oral collar ducts of 1 size, scattered on head, thorax and abdominal segments, except segment VIII. Ventral ducts of 2 sizes: large duct as on dorsum, distributed on head, thorax and margins of abdominal segments, and small ducts present medially on posterior abdominal segments.

DISTRIBUTION. Palaearctic: Iranian species, P. betulae  occurs in Kermanshah and Markazi.

MATERIAL EXAMINED. Kermanshah: Kermanshah, 4 adult Ƥ, on Beta vulgaris  ( Betulaceae  ), May, 1973. Markazi: Arak, Toureh, 2 adult Ƥ, on Amaranthus blitoides  ( Amaranthaceae  ), 2010, 1850 m. (M. Alikhani).

COMMENTS. P. b et ae is similar to P. p u m i l u s in having: (i) dorsal multilocular disc pores present on posterior abdominal segments, (ii) circulus absent, (iii) and cerarii present on head. P. b e t a e differs from P. pumilus  in having (character states on P. pumilus  in brackets): (i) quinquelocular pores present on venter around mouthparts (quinquelocular pores absent from venter).