December, '08] JOURNAL OF ECONOMIC ENTOMOLOGY 375 



pies." Fig. 1, Plate 11, was, taken about two months from the hatch- 

 ing of the plant-bug egg and shows apples and dimples about natural 

 size. One of the apples exhibits two dimples on the surface shown. 

 In Fig. 2, Plate 11, is shown an Ingram apple about natural size in 

 longitudinal section, with the depression and pithv tube, the out- 

 growth of the egg incision, extending nearly to the core. The axis of 

 the apple is twisted, resembling distortions from other insect injuries. 

 This photograph was taken at harvest time, about five months from 

 the hatching of the egg of the tarnished plant-bug. 



NOTES ON THE GRASS MITE, PEDICULOPSIS GRAMI- 



NUM REUTER 



H. E. HoDGKiss, Ocneva, N. Y. 



This species belongs to the Tarsonemida?, which is a small family of 

 the order Acarina. The mite was first described in 1900 by Dr. Enzio 

 Renter,^ from specimens taken from grass in Finland, and was placed 

 by him in the genus Fedicidoides under the specific name graminum. 

 Doctor Renter afterwards recognized characters of generic significance 

 in this species and thereupon erected the genus Pedicidopsis, naming 

 graminum as the type.- 



The importance of the species was first indicated by Doctor Renter 

 in a publication entitled ' ' IJher die Weissdhrigkeit der Wiesengrdser 

 in Finland."^ In Bank's list of the Acarina of the United States^ no 

 mention is made of this mite, and its identity in this country appears 

 not to have been determined until the present time. 



In 1905 Dr. R. H. Wolcott mentioned the appearance of a mite in 

 carnation buds.* During the following year the presence of a mite 

 was noted in carnation buds grown on Long Island, and in 1907 it was 

 identified as Fedicidoides gramimim Renter. In 1908 Heald and 

 Wolcott published an account of the species under the name Fedi- 

 culoides dianthopliilus.^ 



Carnation buds infested with the mite were received from Professor 

 Heald, for the purpose of identifying the Nebraska species, which 

 proved to be the same as the one found in New York. That there 

 might be no doubt as to its identity, specimens were sent to Doctor 



^Acta Societatis pro Fauna et Flora Fennica, 19: N:o 1. 1900. 

 ^'Festschrift fur Palmou, N:o 7, p. 3, footnote 2. Helsingfor.s. 1907. 

 ^Proc. U. S. Nat. Mus., 32: 615. 

 ^Science, N. S., 21:389. 1905. 

 "Neb. Sta. Bui. 103. 1908. 



