HEMIPTERA — THRIPSINA. 



SOi 



costalis — Physothrips. 

 G n rtiorni — P hysot h ri ps. 

 helianthi — Frankliniella 

 longirostrum — Physothrips. 

 luinutus — Frankliniella. 

 occidentalis — Frankliniella. 

 orchidii — Physothrips. 



parvus — Physothrips. 

 pyri — Physothrips. 

 striatus (Osb.) 

 tricolor (Moui.) 

 tiitici — Frankliniella. 

 ulicis — Odontothrips. 

 zeae (IVIoul.) 







aP>- 



Fig-ure 312. Characteristic rings at stem end of small oranges made by thrips. 

 Physothrips citri. 



Frankliniella 1855 tritici. (11) 1895 occidentalis: pale lemon yellow. IGCi 



1911 



minutus: postocular spines wanting. 



with orange. 



Frankliniella helianthi (Moul.) 



minutus (IVIoul.) 



cccidentaiis (Perg.) 

 Heliothrips 1833 haemorrhoidalis. 

 brown. 



Heliothrips fasciapennis Hinds, 

 fasciatus Perg, 



helianthi: tritici — not shaded 



tritici (Fitch). 

 Haplothrips f'avipes (Jone). 

 niger (Osb.) 

 1895 fasciatus: hind and middle tibiae 



haemorrhoidalis Bouche. 

 Limothrips setarias Jones. 

 Physothrips 1904 pyri. (07) 1907 orchidii: head distinctly wider than long, 

 ehrhorni: (y2) pyri — eyes not pilose. 1909 citri: (11) orchidii — last two 

 antennal segments together only about half as long as the sixth. 1901 parvus: 

 citri— wings shaded brown, albus: (12) citri — color white. 1912 costalis: 

 albus — ring vein conspicuous, longirostrum: ehrhorni — postocular spineB 

 wanting. 



Physothrips albus (Moul.) longirostrum (Jones), 



citri (IVIoul.) orchidii (Moul.) 



costalis (Jones). parvus (Moul ) 



ehrhornii (Moul. pyri (Dan. 



