174 



base, a fow of spines along the fore-edge, a short row near base, 

 oLher spiiies few and scattered. Shape oi' wings as in E. orchidii. 



Abdomen ovoid, lip conical as in K. orchidii. .Spines on last Iwo 

 segments long and {n'oininent, and the bent spine at each i)osterior 

 angle ofthe eighth segment much longer Ihan in EnUirips orchidii. 

 DisTRiiîUTioN. — IJelginm, Common in the large Fern Uouse, 

 and aiso in the Palm Ilonse, Brussels I?otanical (lai'dens, on specie^ 

 of Chayiiœodorea, especially in the llowei's and in the leaves of 

 ■ C. fragrans. 



E. lonrjipennis somewhat resembles E. orchidii, but is easily 

 separated by its structure, the rather long, curved hairs which are 

 sparsely set over the whole body and limbs in longipennis, the 

 longer and unicolorous wings, the shorter antenna and many other 

 minor diOerences. 



Genus HELIOTHRIPS (Haliday) 1836. 



5. — Heliothrips hœmorrhoidalis (Bouciiii;), 1S33 [2]. 



Very common in the Botanical Gardens of Brussels and Antwerp, 

 and easily distinguished from H. feinoralis by the white legs. 



Var. abdominalis (Reuter), 18 J2 [6] 



With the type form, Brussels and Antwerp. 



6. — Heliothrips femoralis (Reuter), 1S02 [6]. 



Equally as common as the preceding species, both at Brussels and 

 Antwerp. ' 



Genus PARTHENOTHRIPS (Uzel), 1895. 



7. — Parthenothrips dracaenœ (Heeger), 1852 [4]. 



In large numbers on Dracœna, Ficus, etc., Brussels and Antwerp. 



Family PHLŒOTHRIPID>E 



Genus CEPHALOTHRIPS (Uzel), 1895. 



8. — Cephalothrips spinosus sp. n. 



Lengtli 0.95 mill., width of mesothorax 0.2 mill. 

 General color yellowish-brown, willi iri-egular splashings of 

 reddish- and blackish-brown. 



