26 



Acrosternaiti Hoi'vathi Bergr. stands in some collections under 

 the name punctatorugosum Stâl. Thèse species are closely allied, 

 but Horvathi is at once distinguished by the absence of smooth 

 calions spots on the pronotum, the black (not red) latéral margin 

 of the iippei- side of the head, pronotnm, and basai part of 

 corium, and by the bicolorous legs. Horvathi seems to be much 

 more common than punctatorugosum which I hâve seen only in 

 Van Duzee's collection. 



4. Farnya ScHOL'T. — lu 1881 Distant published a description 

 and figure of an African species under the name Halyornorpha 

 versicolor. The ligure shows no resemhiance to a Halyomorpha, 

 and 1 hâve always snspected that il beloiiged somewhere else, but 

 thé species bas remained unknown to me. Under the name Farnya 

 ScHOUTEDEN descriJjed in 1910 a new subgenus (« oder vielleicht 

 (iattung ») of /ia/iyo//ior/>/(«, and in Ihis snbgeniis he placed versi- 

 color DiST. and the new east-african species kiliniana and rikatlensis, 

 to which he later added Pentatonta maculata Dali, which Stâl had 

 placed in Antestia. Having recently examined a pair (cfÇ) of 

 nkatlensis Schout. in the Helsingfors muséum, I hâve found that 

 Farnya is a good genus. It bas no affinity at ail lo Halyoniorpha 

 but is very closely related tu Vlavtia Stâl, and follovving Stâl's 

 systematic exposition in Enum. Hem. V, it is impossible to j)lace it 

 elsewhere. The venter is, quite as in Plautia, broadly but distinctiy 

 tuberculate at the base (a character not mentioned by DisTxVNt and 

 Schouteden), and its other characters are aiso those of Plautia, 

 from which it is separated only by the peculiar tesselated sculpture 

 of the apical half of the pronotum, and by a somewhat dilferent 

 scheme of coloration. T bave little to add lo Sghouteden's good 

 description of Farnya rikatlensin. The pale tifth antennal joint, 

 which was lacking in Schûltéden's spécimens, bas a rather broad 

 and diffuse subapical black annulation, the dorsum of Ihe abdomen 

 is red, very thickly and finely pimctulate, the dark basai and apical 

 fascise to the connexival segments and the dark a. linea marginal i s 

 suturalis » of the ventral border are sometimes very indistinct or 

 almost wanting, the hyaline membrane bas (as in versicolor) in the 

 middle of its basa! half a small fuscous spot, quite distinct when the 

 hemelytra are outspread. The scutellum in the maie reaches the 

 middle of the penultimate dorsal segment, in the female it does not 

 quite reach the apex of the preceding segment; this disparity is 

 not due to a différence in the length of the scutellum, but to the 

 shorter maie abdomen. The dilîerence in size of the sexes is some- 

 times (as in versicolor) considérable, o" 11 mill., 9 ^^-^ '^^i" 

 (without membrane). The spécimens of F. rikatlensis in the 



