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Oral-rim tubular ducts present ventrally on head and anterior thorax; multilocular pores absent from lateral areas of abdominal segments; 7-8 pairs of cerarii; cerarii absent from head and anterior thorax; multilocular pores on segments III or IV-VIII, absent from thorax and head; cluster of oral-collar tubular ducts near anterior spiracle; oral collars present laterad of mid pair of legs; circulus present; cerarii with 2 conical setae; oral-rim tubular ducts covering dorsum, absent from segment VIII; anal bar present.
Paracoccus lycopersici is similar to P. ferrisi by having oral collars near the anterior spiracle, dorsal oral-rim tubular ducts scattered over surface, multilocular pores absent from thorax. Paracoccus lycopersici can be distinguished (characters of P. ferrisi are in parentheses) by normally having fewer than 8 pairs of cerarii (usually more than 8) restricted to abdomen and posterior thorax (some present on anterior thorax and head).
This species was intercepted at U. S. ports-of-entry 6 times between 1995 and 2012, with specimens originating from Mexico. We also have examined specimens taken in quarantine from Mexico (Leucena, tomato). ScaleNet lists hosts in 3 plant families, Asteraceae, Scrophulariaceae and Solanaceae, but it is most commonly intercepted on sage (Lamiaceae – Mint family). ScaleNet distribution records for P. lycopersici include Mexico and Chile only. Several species of Paracoccus other than P. brunerae (Brain), P. ferrisi Ezzat & McConnell, P. herreni Williams & Granara de Willink, P. interceptus Lit, P. lycopersici, P. marginatus Williams & Granara de Willink, P. mexicanus Ezzat & McConnell and P. solani Ezzat & McConnell have been intercepted at U. S. ports-of-entry including: P. hamoni Williams and Granara de Willink (Mexico, on Cephalocereus); P. circuliprivis Ezzat and McConnell (Mexico, on Thomsoniella); P. invectus Williams (Thailand and India, on orchids, including Dendrobium); and P. reductus Ferris (Mexico, on Yucca).
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