Vol. xxv] ENTOMOLOGICAL NEWS. 259 
Brachystethus vicinus Sign. Of this species, not recorded here- 
tofore from British Guiana, there are one from Bartica and three 
from Mallali in the lot. 
Edessa vitulus Fabr. One example from Mallali. 
Edessa sp. One example of a large form from Mallali. 
Edessa rufomarginata De G. Mallali, two specimens. 
Edessa parvula Dallas. Three specimens from Bartica of a 
species which agrees exactly with specimens so identified by Van 
Duzee. Not heretofore known from the Guianas. 
Cataulax subvittatus Walker. This species heretofore apparently 
known only from Northern Brazil is now recorded from Bartica, 
whence one example has been received. 
Family ALypIpAE Reuter. 
(= Coreidae, Subfamily Alydinae L. & S.) 
Hyalymenus dentatus Fabr. One only from Bartica. 
Hyalymenus vespiformis Fabr. Bartica, one example. 
Hyalymenus tarsatus Fabr. Of this common form, there are 
seven from Bartica and four from Mallali. 
Megalotomus pallescens Stal. Of this species, apparently not yet 
recognized from the Guianas, there is one example from Bartica. 
Trachelium tesselatum Dist. Not uncommon in Bartica and 
Mallali. 
Cydamus inauratus Dist. One specimen from Bartica and one 
from Mallali. 
Bactrodosoma parallelum Stal. This species seemingly known 
previously only from Brazil, is represented by four specimens from 
Bartica. 
Leptocorisa tipuloides De G. Bartica and Mallali, common. 
Pachylis hector Stal. Mallali, four adults and one nymph. Ap- 
parently not previously known from British Guiana, its southern- 
most record being Panama. 
Nematopus indus Linné. Bartica and Mallali, very common. 
Holymenia intermedia Burmeister. One example of this un- 
common form from Bartica. 
Anisoscelis gradadia Distant. Mallali, one specimen. This form 
has not been previously recorded from British Guiana. 
Spartocera granulata Stal. One from Mallali—a new record for 
British Guiana. 
Margus obscurator Fabr. Bartica, one example. Although this 
species ranges from Mexico to Chile, there are apparently no 
records of it from the Guianas. 
Namacus annulicornis Stal. Two specimens from Bartica, which 
agree with a Mexican specimen of this species in my collection. 
This locality greatly extends the range of the species and is the 
first record from the Guianas. 
