Ceratothripoides Bagnall

Mound, Laurence A. & Nickle, David A., 2009, The Old-World genus Ceratothripoides (Thysanoptera: Thripidae) with a new genus for related New-World species, Zootaxa 2230, pp. 57-63: 58

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Ceratothripoides Bagnall


Ceratothripoides Bagnall 

Ceratothripoides Bagnall, 1918 a: 201  . Type-species C. brunneus Bagnall  , by monotypy.

Diagnosis: Antennae 8 -segmented, segments III–IV with forked sensorium and many microtrichia, segment I with pair of dorso-apical setae. Head with three pairs of ocellar setae; two setae comprising pair I usually arising one in front of the other ( Fig. 7 View Figure ) (side-by-side in funtumiae  ); ocellar setae pair III arising within ocellar triangle; compound eyes with no pigmented facets (in cameroni  and claratris  with 4 or 5 weakly pigmented facets); maxillary palps 3 -segmented. Pronotum with two pairs of posteroangular setae, 3–4 pairs of posteromarginal setae. Mesonotum with median setae close to posterior margin, anterior campaniform sensilla present or absent. Metanotum reticulate, median setae at anterior margin ( Figs 1, 5 View Figure ), campaniform sensilla present or absent. Prosternal ferna entire, basantra without setae; mesothoracic sternopleural sutures complete, mesofurcal spinula present, metafurca spinula absent (except funtumiae  ). Forewing first vein with about 7 setae basally, 2 setae distally; second vein with complete row; discal seta present or absent on clavus. Tergites without ctenidia, median setae (S 1) far apart, VI–VII with setae S 3 much smaller than S 4; tergite VIII posterior margin with complete comb of microtrichia ( Figs 2, 6 View Figure ); X with dorsal split. Sternites III–VI with 3 pairs of marginal setae, VII with S 1 and S 2 arising well in front of posterior margin. Male sternites III–VII with 2 or more rows of small pore plates ( Fig. 4 View Figure ); tergite IX with median setae slender or slightly stout ( Fig. 10 View Figure ).

Generic relationships. Many of the characters listed above, particularly the presence of a pair of dorsoapical setae on the first antennal segment, are shared with the species of Pezothrips  , also with the legumeflower associated species of the genera Megalurothrips  , Odontothrips  and Odontothripiella  . Nearly all of these species are endemic to the Old World. In contrast to the legume-flower thrips, the species of Pezothrips  and Ceratothripoides  have numerous small pore plates ( Fig. 4 View Figure ) on the sternites of the males ( Mound, 2009 b). The character states of the first antennal segment and the male sternal pore plates also occur in species of the Trichromothrips  genus-group ( Masumoto & Okajima, 2005), but males in that group usually have paired drepanae on abdominal tergite IX. The systematic relationships of the nine species currently listed ( Mound, 2009 a) in Pezothrips  continue to be problematical. The type species, P. frontalis (Uzel)  , has no comb on tergite VIII, whereas this is present laterally in P. kellyanus (Bagnall)  , but complete and long in P. dianthi (Priesner)  . Eight of these nine species are reputed to have setae S 1 on sternite VII closer together than their length, although this is not true of P. kellyanus  . However, all nine have setae S 2 on sternite VII arising at the margin, in contrast to the condition in the species of Ceratothripoides  .












Ceratothripoides Bagnall

Mound, Laurence A. & Nickle, David A. 2009



Bagnall 1918: 201