Proceedings of the Cambridge Entomological Club.
Psyche 17:118-121, 1910.

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118 Psyche [June
PROCEEDINGS OF THE CAMBRIDGE ENTOMO-
LOGICAL CLUB.
The 391st regular meeting of the club was held on Tuesday evening, December 31, 1909, with President Bolster in the chair, and with sixteen members and one visitor present.
Mr. Emerton, reporting for the Committee on the Smoker, said that preparations for two hundred visitors had been made, the smoker to be held at the Grundmann Studios, 198 Clarendon Street, Tuesday evening, Decem- ber 28, from 8 p. m. Mr. Field reported the list of contributors to the exhibition and the preparation for the dedication of the Harris tablet at Milton on Friday, December 31, at 13.50 p. m. President Bolster reported the result of the meeting of the Executive and Publication Committee: the resignation of Mr. Field as editor of PSYCHE, and the hope that Mr. Brues would be able to undertake the work. Mr. Brues, being called upon by the chair, replied that he would try to manage things so that he could take up the work. The president appointed the following nominating com- mittee to prepare a list of officers for the club for the ensuing year: Messrs. Blackburn, Reiff and Newcomb. Mr. Fiske was appointed delegate to rep- resent the club at the eighth International Zoological Congress at Graz, Austria, in August of 1910. Dr. A. L. Reagh was elected member of the club.
Mr. Johnson exhibited a box of unique larvae from several sources; a nymph, possibly of a may fly, from Ammonoosuc River, Fabyans, N. H., taken by C. H. Frost September 19, 1909; larvae of Galerita yawns, and what was pronounced by Professor Wheeler as being probably a female Phengodes from Providence, R. I.
He also exhibited two boxes of Diptera of the family Dolichopodidae which has recently claimed his attention. He mentioned some new records for New England and said he had recognized 127 species from these states.
Mr. Forbes spoke of his studies of the larval stages of the Lepidoptera and requested specimens from the members. C. A. FROST, Secretary.
The 392nd regular and the 33rd annual meeting since incorporation was held at the rooms of the Appalachian Mountain Club on Tuesday evening, January 18, 1910. There were ten members present: President Bolster and Messrs. Blackburn, Brues, Emerton, Frost, Newcomb, Reiff, Sheriff, Swett, and Timberlake.
After the reports of the Secreatry and Treasurer had been read the following officers were elected for the ensuing year: President-Prof. W. M. Wheeler.
Vice President-W. F. Fiske.




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19101 Proceedings
Secretary<. A. Frost.
Treasurer-F. A. Sheriff.
Executive Committee-J. H. Emerton, C. W. Johnson, P. G. Bolster. Editor-in-Chief of PSYCHEÌÔC T. Brues.
The retiring President, Mr. P. G. Bolster, then gave the address: "Re- marks on the History of the Cambridge Enton~ological club." Materials for this paper were gathered from the records of the club and proved to be of great interest.
Mr. J. H. Emerton, who attended
many of the earlier meetings and who was one of the original organizers 01 the club added some recollections to Mr. Bolster's remarks. The progress of the club was reviewed from the first meeting at the home of Dr. Hagen at Cambridge down to the present date in so far as the records were available. Lists of the officers of the club, addresses of the retiring presidents, and much other data of historical interest were given. Mention was also made of the number of prominent entomolo- gists throughout the country who have, at one time or another, been members of the club. Mr. Bolster closed his remarks by recommending that an index of the records be made for the valuable and interesting data that appear in them.
C. A. FROST, Secretary.
Meeting called to order by President W. M. Wheeler at 8 o'clock. Twenty members and two visitors present.
The Secretary being absent, Mr. H. S. Smith was appointed to act as Secretary pro tern.
Mr. Fiske gave a talk on "Hypermetamorphosis among Insects." The various types of hypermetamorphosis as defined and designated by Packard and as encountered in the work at the Gipsy Moth Parasite Laboratory were not at all analogous to each other Mr. Fiske stated. These phenomena fall distinctly into two groups, the one typified by that type of hypermetamorphosis occurring in certain beetles (Rhipiphoridae, Meloeidse) and the Hymenopterous genera Perilampus and Orasema, the other typified by that form of development occurring in certain Procto- trypids (Inostemma, Platygaster) and most of the Ichneumonids (Ophion, Theronia, Limneria, Ichneumon). The former he designated as Incom- plete Hypermetamorphosis and the latter type as Complete Hypermeta- morphosis.
The president asked Mr. Fiske to take the chair while he read a review of "A Monographic Revision of the Twisted-Winged Insects of the Order Strepsiptera Kirby" by W. Dwight Pierce. This paper was discussed by Messrs. Brues, Johnson, Fiske and others. Mr. Newcomb exhibited some interesting photographs of hybrids and variations in the butterfly genus Basilarchia. He also showed an interest- ing melanistic specimen of Argynnis cybele from northern Wisconsin. Mr.



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120 Psyche [June
Reiff remarked on the work of certain European investigators upon the phenomenon of melanism in the genus Argynnis as occurring in Europe. Mr. Emerton gave his report of the committee on the smoker given at the time of the meeting of the American Association for the Ad- vancement of Science.
Mr. Brues made some remarks on the new form given to PSYCHE and stated that the forthcoming number would be in the regular octavo size instead of the royal octavo as heretofore. He asked especially for short notes and papers for publication.
The following persons were proposed for membership in the club: Mrs. R. I,. Draper, Canton, Mass.
Dr. J. S. Kingsley, professor of zoology in Tufts College. Dr. Wheeler stated that certain rooms at the Bussey Institution were being remodeled and repaired and it was hoped that future meetings of the club might be there. It was moved and seconded that the next meeting of the club be held in these rooms. Carried. HARRY S. SMITH,
Secretary pro tern.
The 294th regular meeting of the club was held at the Bussey Institution, Forest Hills, Tuesday evening, March 15, with 17 members and three visitors president, and President Wheeler in the chair. The minutes of the January and also the February meetings were read and accepted. It was voted that extracts from the minutes of the meetings be pub- lished regularly in PSYCHE.
Mrs. R. L. Draper of Canton, Mass., and Dr. J. S. Kingsley, professor of zoology in Tufts College, were elected to membership. Mr. C. E. Montgomery, 338 Boylston Street, Boston, was proposed for member- ship by C. W. Johnson and W. L. W. Field. The resignation of R. W.
Harris of Melrose was accepted.
Mr. J. H. Emerton's paper on "Some
Cases of Dimorphism in Spiders" was then presented with blackboard sketches; drawings, made with his usual care and accuracy, and alcoholic specimens of the species under discussion were also handed around. The
following cases were described: 1. The females of Misumena vatia and Misumena aleataria may be either white or yellow. 2. Males of Mcevia vittata have one form with spotted legs and colors like the female and another with white legs and the rest of the body black. 3. Agrceca pra- tensis and Agrcwa repens are probably one species with one kind of male and females with two different forms of the epigynum. Females found at the same time and place have both forms. 4. Ceratinella lcetabilis has two forms of male palpus, one with a short tibia with a wide tooth and a smooth edge to the tarsus. The other with a narrower tibia and tooth half as wide and the edge of the tarsus with two ridges. Mr. C. W. Johnson spoke on the so-called "Ground Pearls," Margarodes formicurium of the West Indies. The specimens shown are formed by



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19101 Proceedings 121
the female nymphs in which they are encysted and often remain a long period. 'They are very common on newly cleared land. Heavy rains carry immense numbers to the shore, where they are frequently gathered with sea-shells and often strung as beads for necklaces, etc. This species was described by Guilding (Trans. Linn. Soc., London, 1833, p. 115, pi. 1) as a parasite of ants, but it is probable that their relation to the ants is similar to that of other Coccidae. A species M. vitum, is de- scribed by Mayet (Ann. Soc. Ent. France, 1896. p. 419) as infesting the roots of the vines in Chili. Prof. Wheeler called attention to a new species of Margarodes recently described from southern Europe. Mr. Johnson referred to a recent paper by Prof. Stein (Wiener Ent. Zeitschr, XXIX p. 11, 1910) on the genus Fucellia. A study of all the material at hand from Labrador to Florida, shows only one species, refer- able to F. marina Macq. and not to F. fucorum Fallen. Prof. A. P. Morse gave a paper on "A Hopperdozer for Rough Ground." This was illustrated by drawings of the apparatus which is designed to catch young grasshoppers when they are destructively prevalent as they are at times in New England and where the ground is so rough that any other device of this kind is useless. His suggestion that the plates be covered with "tanglefoot" used for banding trees was discussed by the members.
Mr. Newcomb reported the occurrence of a noctuid moth flying on March 3rd. Dr. Reagh said that he had seen three moths flying on Feb. 22, and on the eighth of March took a specimen of Phygalia titea. Mr. Swett remarked on the records of the captures of Phygalia oliva- maria and said that its occurrence seems to be limited to a few days about March 31st. Mr. Emerton showed two early spring insects, Chionea valga, a Tipulid fly with vestigial wings, found on snow at Three Mile Island, Lake Winnipesaukee, N. H., Feb. 21, 1910, and Capnia pygmoea, a Neuropteriod insect on snow at Jackson, N. H., Feb. 21. The meeting then adjourned to the laboratory, where refreshments were enjoyed by all, through the kindness of Prof. Wheeler. C. A. FROST, Secretary.




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