156 L. A. MOUND 



Hemithrips antiquus Bagnall 



(Text-fig. 77) 



Hemithrips antiquus Bagnall, 1923a : 38. 



No major setae are visible on the head and pro thorax and the ovipositor is down-curved. 

 However the antennae are typically Melanthripid with an apical annular sensorium on III and 

 IV. The fore wings are 650^ long and 700. broad medially, rather narrowed apically, but 

 unlike femoralis the setae on the costa and both longitudinal veins are stout, 35-50^1 long. 



Holotype £. In Baltic Amber, without data. 



Hemithrips femoralis Bagnall 



(Text-fig. 82) 



Hemithrips femoralis Bagnall, 1923a : 38. 



The fore wings are similar to some Anaphothrips species, about 45^ wide medially. Both 

 first and second veins apparently have a continuous row of small setae, and contrary to the 

 original description, the costal setae are equally small (5(1). Bagnall probably interpreted the 

 costal cilia as setae. The metanotum is reticulate without large setae, and no setae can be 

 seen on the prothorax. A pair of small interocellar setae are present between the anterior 

 margins of the hind ocelli, and there appear to be two pairs of small postocular setae. Only 

 the four apical antennal segments are undistorted, but III and IV are apparently cylindrical. 

 The fore femora are enlarged and the external apical margin bears a ridge. 



Holotype $. In Baltic Amber, without data. 



Hemithrips parallelicornis Bagnall 



Hemithrips parallelicornis Bagnall, I924g : 158. 



This is based on Schlechtendal's illustration 4, which was originally considered to 

 represent the male of Thrips excellens Schlechtendal, 1887. 



Hemithrips schlechtendali Bagnall 



Hemithrips schlechtendali Bagnall, i924g : 158. 



This is based on illustrations 5 to 8 by Schlechtendal (1887), which were originally 

 considered to represent forms of Thrips excellens females. 



' Hemithrips ' setosus Bagnall 



(?) Hemithrips setosus Bagnall, i924g : 158. 



A pair of major pronotal postero-angular setae are indicated on illustration 3 on 

 which this species is based. Schlechtendal (1887) drew the figure to represent a 

 male of Thrips excellens. 



