178 Bulletin Wisconsin Natural History Society [Vol. 11, No. 4 
chista Haliday and it is on this basis that Ashmead’s diagnosis of 
these genera are considered erroneous; I have corrected (Girault, 
1911 d) part of his description of Prestwichia from actual specimens; 
Westwoodella I have made a synonym of Oligosita, since its char- 
acteristics do not hold; Poropoea I have also seen and corrected; 
Trichogramma I have corrected after exhaustive study 15 (Gir- 
ault, 1911 j); Chaetosticha I correct from the original description; 
Xanthoatomus and Pentarthron are proved synonyms of Tricho- 
gramma; Paracentrobia agrees with Brachista and from the descrip- 
tions I make them synonyms; and Aprobosca is probably a male 
Trichogramma. 
In 1906, I showed the great color variation in Trichogramma, 
describing a new variety of Trichogramma minutum (Riley) and 
in the same year Perkins described a new new genus from Australia 
(Pterygogramma) , which I have subsequently revised and added 
to. In the same and following year I summarized much of the 
biology of Trichogramma minutum (Riley). At the same time 
Schmiedeknecht (1907, 1909) gave generic synopses of the group 
and in 1910 I severely criticized Schmiedeknecht 1909, showing 
that his last and fuller synopsis was unreliable and based on 
Ashmead (1904), proved above to be largely erroneous. At the 
same time, the genera and species of the family were summarized, 
admitting fourteen valid genera and thirty-two valid species. 
In the meanwhile, Howard (1909) confirmed the original descrip- 
tion of Poropoea Foerster and stated that Centrobia was different 
from Trichogramma; Masi (1909) reviewed Oophthora Aurivillius 
stating that Trichogramma minutum Riley belonged with that 
group and that Xanthoatomus Ashmead was also Oophthora; he 
also made ( Pentarthron ) Trichogramma carpocapsae (Ashmead) 
a synonym of ( Oophthora ) Trichogramma semblidis (Aurivillius) 
by comparing the two. This was accepted, but later examination 
of the types of carpocapsae made by myself showed that the two 
were quite distinct. Claude Morley in 1910 gave the catalogue 
of the Pritish forms of the family, listing four genera and seven 
species, among them the tetrastichine genus Aprostocetus with 
three of the species. This catalogue is made up from the literature 
and is without value. 
15 Dr. L. O. Howard has stated to me in a letter that he has seen the type of Trichogramma 
evanescens Westwood and that it is congeneric with Trichogramma minutum. 
