scholarly journals Notes on Tineina bred from cotton-bolls

1912 ◽  
Vol 3 (2) ◽  
pp. 203-208
Author(s):  
John Hartley Durrant
Keyword(s):  
Research Committee ◽  
Additional Information ◽  
Entomological Research ◽  
Cotton Bolls

Enquiries are frequently made through the Entomological Research Committee with reference to TINEINA bred from cotton, and as the notes on Gelechia gossypiella, Sndrs., published by Lord Walsingham in Fauna Hawaiiensis [1. 731–4 (1907)] are not generally accessible, I have been requested to revise these notes and reprint them with additional information on gossypiella and two species of Pyroderces. It is quite clear that the Gelechia does immense damage to the cotton, attacking the seeds in the boll, but what damage (if any) is actually occasioned by Pyroderces simplex, Wlsm. (= gossypiella, Wlsm.), and rileyi, Wlsm., is not manifest; it would seem that these species are associated with cotton already injured by damp or other insects rather than themselves being the cause of injury. Further information will doubtless be supplied now that the names are available.

scholarly journals African Entomological Research Committee

Nature ◽  
1909 ◽  
Vol 81 (2079) ◽  
pp. 278-278
Author(s):  
F. A. D.
Keyword(s):  
Research Committee ◽  
Entomological Research

Three new African species of the genus Chrysops (Family Tabanidæ)

1911 ◽  
Vol 2 (2) ◽  
pp. 161-168 ◽  
Author(s):  
Ernest E. Austen
Keyword(s):  
Natural History ◽  
British Museum ◽  
Research Committee ◽  
African Species ◽  
Entomological Research

The following paper is the result of the study of material recently received by the Entomological Research Committee, by which the types of two of the species described below have been presented to the British Museum (Natural History): the type of Chrysops centurionis has been handed over to the National Collection by its discoverer, Captain A. D. Fraser, R.A.M.C.

Minimum Standards for the Description of Participants in Learning Disabilities Research

1994 ◽  
Vol 15 (1) ◽  
pp. 56-59 ◽  
Author(s):  
Michael S. Rosenberg ◽  
Deborah Bott ◽  
David Majsterek ◽  
Bert Chiang ◽  
Deborah Simmons ◽  
...  
Keyword(s):  
Learning Disabilities ◽  
Small Sample ◽  
Research Committee ◽  
Additional Information ◽  
Minimum Standards ◽  
Ongoing Process ◽  
Research Activities ◽  
Group Research ◽  
Research Findings ◽  
One Step

In 1984, the research committee of the council for learning disabilities (CLD) noted that the available descriptions of individuals with LD in research reports were vague and inconsistent. Recognizing that such descriptions made it difficult to evaluate research findings, the committee recommended that specific guidelines for participant descriptions be followed in reports on research involving individuals with LD. Eight years after this call for greater uniformity, vague participant descriptors remain a matter of great concern. What follows is a report on this issue from the current cld research committee. Updated guidelines for the description of participants are provided for both small-sample and large-group research activities. Also, suggestions for promoting compliance with the minimum standards are forwarded. Rather than being viewed as a fixed, immutable product, the current attempt at identifying the minimum standards for the description of participants should be viewed merely as one step in an ongoing process. Clearly, as our multidisciplinary field continues to learn more about LD, additional information about participants may be deemed necessary. With this in mind, the cld research committee welcomes your comments on the present set of guidelines and invites your suggestions for future iterations of this document.

scholarly journals On a new genus and species of Siphonaptera from Nyasaland

1911 ◽  
Vol 2 (3) ◽  
pp. 269-272
Author(s):  
N. Charles Rothschild
Keyword(s):  
New Species ◽  
New Genus ◽  
Horizontal Position ◽  
New Genus And Species ◽  
Research Committee ◽  
Separate Genus ◽  
Entomological Research ◽  
A New Species

The Entomological Research Committee has received from Zomba four specimens of a new species of flea which is related to the genera Leptopsylla, Roths. (1911; type musculi, Dugès, 1832) and Palaeopsylla, Wagn. (1902; type minor, Dale, 1878 = gracilis, Tasch., 1880) but differs so much from the species belonging to these genera that it requires a separate genus. The species is especially remarkable for the development of its head and buccal organs (fig. 1). The mandibles as well as the labrum are very broad, particularly the former, and closely resemble those of Spilopsyllus cmiiculi, Dale (1878), and the Sarcopsyllidae. This peculiar parallelism also obtains in the labial palpi, which show a reduction similar to that which occurs in the fleas mentioned, being but feebly chitinized and consisting of only three distinct segments. The size of the labrum and mandibles suggests that the species fixes itself to the host by means of these organs in the same way as Spilopsyllus cunieuli, i.e., more permanently than do the majority of fleas. The structure of the head bears out this surmise inasmuch as the buccal slit extends far upwards, the frons being short, which allows the piercing organs to assume an almost horizontal position when being driven into the skin of the host.

Revised Keys to the Known Larvae of African Culicinae

1912 ◽  
Vol 3 (4) ◽  
pp. 373-385 ◽  
Author(s):  
F. W. Edwards
Keyword(s):  
Present Author ◽  
Gold Coast ◽  
Research Committee ◽  
General Classification ◽  
Northern Territories ◽  
Entomological Research

When, early in the present year, Dr. A. Ingram sent in to the Entomological Research Committee his collection of larvae and bred adults of culicinae from Bole, Northern Territories, Gold Coast, the writer decided to describe these as soon as possible, and the opportunity seemed favourable to include a thorough revision of the known larvae of the African culicinae. The results of this work are given in the following tables. The difficulties of classification might have been considerable, but for the valuable pioneer work of Messrs. Dyar and Knab* in America, and the present author is glad to express his indebtedness to these writers, and would like to add his testimony, if any were needed, to the soundness of their general classification. The paper by Wesché† in this journal is also very important, as it is the only one devoted to a study of the larvae of African culicidae. Figures of most of the species not illustrated here will be found in it.

scholarly journals On the genital armature of the males of Glossina medicorum, Austen, and Glossina tabaniformis, Westwood

1911 ◽  
Vol 2 (2) ◽  
pp. 107-110 ◽  
Author(s):  
Robert Newstead
Keyword(s):  
Morphological Characters ◽  
Tsetse Flies ◽  
Microscopical Examination ◽  
Tropical Africa ◽  
Research Committee ◽  
Entomological Research

Since the publication of my paper dealing with the taxonomic characters of the genital armature of the males of all the then known species of tsetse-flies* Mr. E. E. Austen has very kindly allowed me to examine a paratype of his Glossina medicorum; and Mr. Guy A. K. Marshall, on behalf of the Entomological Research Committee (Tropical Africa), has submitted to me the specimen of G. tabaniformis, Westwood, upon which Mr. Austen based his re-description† of the male of this species. I am extremely indebted to these gentlemen for giving me the opportunity of making a microscopical examination of these insects, as thereby it has enabled me to complete my observations on the male armature of the tsetse-flies, and also to complete the set of drawings illustrative of the main morphological characters of these organs.

scholarly journals On Scale Insects (Coccidæ) &c. from the Uganda Protectorate

1910 ◽  
Vol 1 (1) ◽  
pp. 63-69 ◽  
Author(s):  
Robert Newstead
Keyword(s):  
Scale Insects ◽  
Research Committee ◽  
Small Collection ◽  
The Government ◽  
Entomological Research

The following notes are based on a small collection of Coccidæ recently received by the Entomological Research Committee from Mr. C. C. Gowdey, the Government Entomologist in Uganda.

scholarly journals A New West African Springtail

1912 ◽  
Vol 3 (1) ◽  
pp. 79-80
Author(s):  
George H. Carpenter
Keyword(s):  
Economic Importance ◽  
West African ◽  
Plant Tissues ◽  
Undescribed Species ◽  
Tropical Africa ◽  
Research Committee ◽  
Living Plant ◽  
New West ◽  
Benin City ◽  
Entomological Research

Among various insects collected on behalf of the Entomological Research Committee by Dr. R. W. Gray in Southern Nigeria, a large number of minute Collembola, all belonging to the same species, and taken at Benin City on June 9th, 1910, have been sent to me for identification. So little is known of Tropical African Collembola, that no surprise could be felt when the insect proved to belong to an undescribed species. Dr. Gray gives no information as to the kind of locality in which this springtail was found, or whether it was in any way injurious. In Europe, however, in recent years, students of economic zoology have come, more and more, to recognise that many species of Collembola feed on living plant tissues1 as well as on the decaying vegetable and animal refuse which forms the usual food of their order. It seems fitting therefore that an account of the insect should be published in this Bulletin, if only to call the attention of entomologists working in Tropical Africa to the scientific interest, and probable economic importance of springtails.

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