PROC. ENT. SOC. WASH., VOL. 21, NO. 2, FEB., 1919 29 



specimens 'are from New Haven, Connecticut, collected by M. P. 

 Zappe, July 1 and 9, 1914, and bearing the numbers 111-113. 

 Many specimens are at hand which were bred by P. H. Timber- 

 lake from seed pods of Linaria vulgaris at Melrose Highlands, 

 North Saugus, and Forest Hills, Massachusetts in July and 

 August, 1909 (Hunter No. 2494). Adults were found in July. 



This species is readily distinguishable from G. teter subro- 

 tundatum by the elongate scutellum; the longer prothorax; the 

 erect pubescence on thorax as well as elytra. In teter and its 

 varieties the dorsal vestiture of the thorax is appressed. Length 

 2-2.5 mm. 



Gymnaetron (Rhinusa) teter Fabricius. 

 Rhynchaenus teter Fabricius, 1801, Syst. El., vol. 2, p. 448. 



This European species has long been known in the United 

 States. It breeds in the pods of Vcrbascum thapsus. The ma- 

 terial of the typical variety is from Massachusetts, Maine, Canada, 

 New York, Pennsylvania, New Jersey, District of Columbia, 

 Virginia, North Carolina, Michigan, Wisconsin, Missouri, Iowa, 

 Nebraska, Mississippi, Alabama, Oklahoma, and Texas. Texas 

 and Wisconsin material was bred from Verbascum thapsus and 

 Massachusetts material collected on the same plant. 



Gymnaetron (Rhinusa) teter subrotundatum Reitter. 

 Gymnaetron (Rhinusa} teter subrotundatum Reitter, 1907, Verh. 



Naturf. Ver. Briinn, vol. 65 (Bestim. Tab. 59), p. 35. 



A European variety of teter very greatly resembling antirrhini 

 and formerly confused with it. Specimens are at hand from 

 Hamden, Connecticut; Boston, Massachusetts; Dunkirk, New 

 York; District of Columbia; Grand Ledge and Port Huron, 

 Michigan; and Dallas, Texas. Length 2-3 mm. 



Gymnaetron (Rhinusa) teter plagiellum Gyllenhal. 



Gymnetron plagiellus Gyllenhal, 1S37, Schonherr's Gen. et Sp. 

 Cure., vol. 4, p. 759. 



This is a European aberration of teter characterized only by 

 the red areas on the elytra. 



The material is principally from Dallas, Texas, although 

 specimens are also at hand from Iowa City, Iowa, Wisconsin, and 

 Maryland. 



III. SYNOPSIS OF THE CLASSIFICATION OF THE OROBITIDAE. 



Family Orobitidae Pierce (1916). 

 Table of subfamilies of Orobitidae. 



1 . Mesosternum very often canaliculate or excavated, leaving between 

 it and the prosternum a depression 



