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British entomology; being illustrations and descriptions of the genera of insects found in Great Britain and Ireland- containing coloured figures from nature of the most rare and beautiful species, (14761096086)
Summary
Identifier: britishentomolog03curt (find matches)
Title: British entomology; being illustrations and descriptions of the genera of insects found in Great Britain and Ireland: containing coloured figures from nature of the most rare and beautiful species, and in many instances of the plants upon which they are found
Year: 1823 (1820s)
Authors: Curtis, John, 1791-1862
Subjects: Insects Insects -- Great Britain Botany
Publisher: London, Printed for the author
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries
Text Appearing Before Image:
ore shrill but softerthan that of the frog, and Dr. Leach says the male sings in the evening byrubbing the elytra together. I am not aware that any one has been able to detect an external sexualcharacter; I am therefore happy in observing that after ascertaining the sexesby dissection, I discovered that the elytra are different. It is a female thatI have represented flying, and on comparison it will be seen that the ely-tron (Jig. 9 $), which is the right-hand one of a male, has nervures verydifferent to the other sex : the same peculiar structure is visible in this asin Acrydium (pi. 439-)> the inner edge having more the appearance of acosta than the outer one. The males seem to be uncommon; I have seenbut 2, and in them the right-hand elytron lapped over the other, but in allthe females it was the reverse. The Plant is Montia fontana (Water Blinks). * The reader will find an admirable paper on the IMoIe-Cricket in the Philoso-phical Transactions, by J. Kidd, M.D., F.R.S., &c.
Text Appearing After Image:
ig3 ijyU: /^ cj.- €.c.yui^ cXtn. /• /di5^ 7 1^3 0293. ACHETA SYLVESTRIS. Order Orthoptera. Fam. Achetidae Leach. Gryllides Lat. Type of the Genus, Gryllus domesticus Linn.AcHETA Fab., Lea., Sam.—Gryllus Linn., Lat. Antennce as long or longer than the body, inserted close to theeyes in front of the face, setaceous, composed of innumerabletransverse joints, the basal one very large and globose (1).Labium transverse-oval, slightly ciliated (2).Mandibles strong, subquadrate, truncated obliquely, externallyconvex, the apex crenate-dentate (3). Maxilla short, with a horny lobe on the inside, terminated by 2very acute teeth and ciliated internally ; external lobe palpiform,biarticulate ? the basal joint or process short, 2nd long, slightlycurved and rounded at the apex. Palpi long pubescent, 4 -jointed,1st joint not very short, attenuated and curved at the base, theremainder nearly equal in size and length, the 3rd and 4th trun-cated obliquely, especially the latter which is hollowed a
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