In a paper on the bees of Nebraska, Messra Swenk and Cockerell say that a comparison of cotypes of Panurginus nebrascensis with specimens of P. ornatipes shows that the two are synonyms and that P. boylei is a subspecies. The types of all of the involved species being in the collections of the U.S. National Museum has led to a re-examination of them and the characters given show them to be abundantly distinct. In view of these characters, what Messrs. Swenck and Cockerell has under the name ornatipes is somewhat of a mystery
The materials upon which this monograph is based are the almost perfect collections of the American ...
Bumble bees, due to their morphological monotony and color diversity, have presented difficulties wi...
This paper is the result of about two years of study on that group of insect-catching wasps known as...
In a paper on the bees of Nebraska, Messra Swenk and Cockerell say that a comparison of cotypes of P...
37 p. : ill. ; 24 cm.Includes bibliographical references (p. 36-37)."The present paper, which is int...
This is Part 2 of this article and does not include Part 1. This article deals with a number of smal...
Work of this group of bees was begun several years ago in Washington and is based on the collection ...
This was another installment on bees in North Dakota. Bumblebees, a description of North Dakota bee...
While collecting Ichneumonoidea in New Brunswick, Mr. A. Gordon Leavitt also collected a number of o...
In this paper are included, in addition to the descriptions of new parasites of economic importance,...
Spinola in 1851 described and figured Diphaglossa Gayi as a new species and new genus closely relate...
The present paper is the second of the series proposed in a previous contribution on the family Nom...
In this paper where both sexes of a species are described, that last described is the allotype. Comp...
Through the kindness of Prof. J as. S. Hine, I have been given the opportunity to examine the Aculea...
The bees described as Panurginus Nylander, 1848, from southern South America and deposited in the Mu...
The materials upon which this monograph is based are the almost perfect collections of the American ...
Bumble bees, due to their morphological monotony and color diversity, have presented difficulties wi...
This paper is the result of about two years of study on that group of insect-catching wasps known as...
In a paper on the bees of Nebraska, Messra Swenk and Cockerell say that a comparison of cotypes of P...
37 p. : ill. ; 24 cm.Includes bibliographical references (p. 36-37)."The present paper, which is int...
This is Part 2 of this article and does not include Part 1. This article deals with a number of smal...
Work of this group of bees was begun several years ago in Washington and is based on the collection ...
This was another installment on bees in North Dakota. Bumblebees, a description of North Dakota bee...
While collecting Ichneumonoidea in New Brunswick, Mr. A. Gordon Leavitt also collected a number of o...
In this paper are included, in addition to the descriptions of new parasites of economic importance,...
Spinola in 1851 described and figured Diphaglossa Gayi as a new species and new genus closely relate...
The present paper is the second of the series proposed in a previous contribution on the family Nom...
In this paper where both sexes of a species are described, that last described is the allotype. Comp...
Through the kindness of Prof. J as. S. Hine, I have been given the opportunity to examine the Aculea...
The bees described as Panurginus Nylander, 1848, from southern South America and deposited in the Mu...
The materials upon which this monograph is based are the almost perfect collections of the American ...
Bumble bees, due to their morphological monotony and color diversity, have presented difficulties wi...
This paper is the result of about two years of study on that group of insect-catching wasps known as...