Valid Names Results

Ripersiella maasbachi (Jansen, 2003) (Rhizoecidae: Ripersiella)

Rhizoecus maasbachi Jansen 2003: 297. Type data: NETHERLANDS: Amstelveen, on Sageretia thea, bonsai plant imported from China; collected 26.4.1999, by P.D Alsmeer.. Holotype, female, accepted valid name Illustr.
Ripersiella maasbachi (Jansen, 2003); Kozár & Konczné Benedicty 2004: 330. Type depository: Budapest: Hungarian Natural History Museum, Zoological Department, Hungary; change of combination

Families: 5 | Genera: 5

Countries: 4

MazzeoPeMa2023: pp.7-8 ( Adult (F) ) [Rhizoecidae recorded or intercepted in Italy]
JansenWe2015: pp.12, 16 ( Adult (F) ) [Subterranean mealybugs of The Netherlands]
DanzigGa2015: pp.447-449 ( Adult (F) ) [species of Ripersiella]
KozarKo2007: pp.386-390 ( Adult (F) ) [Ripersiella species of the world]
KozarKo2004: pp.325-328 ( Adult (F) ) [Ripersiella species of the world]
Jansen2003: pp.300 ( Adult (F) ) [Netherlands]

Systematics: Ripersiella maasbachi is similar to Ripersiella emarai Jansen in the presence of eyes, antennae 6-segmented and the absence of dorsal multilocular disc pores, and is different in the presence of ventral multilocular disc pores on last abdominal segments and in the absence of oral collar tubular ducts (Jansen & Westenberg, 2015).
Structure: The females have elongate-oval body with almost parallel sides 0.8–2.3 mm long and 0.38–1.2 mm wide; antennae are slender and 6-segmented, eyes present, one circulus present on abdominal segment III; multilocular disc pores present only on last 2–3 abdominal segments of venter and absent from dorsum; trilocular pores evenly scattered on dorsum and less numerous on venter where are scattered on thorax; bitubular pores of one size present on dorsum and venter; tubular ducts absent. (Mazzeo, et al., 2023)
Economic Importance: The holotype was intercepted on Sageretia thea, bonasi plant imported from China, but this species was also interecepted on other plants in the Netherlands and UK (Jansen, 2003).
General Remarks: Description and illustration of adult female by Jansen (2003) and by Kozár & Konczné Benedicty (2007).