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Topic: Aedeagus

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	Aedeagus - Wikipedia, the free encyclopedia
		The aedeagus is part of the male's abdomen, which is the most caudal of the three segments of an insect.
		The pair of testes of the insect are connected to the aedeagus through the so-called genital ducts.
		Occasionally the hard, chitinous part of the aedeagus is referred to as the 'prick'.
	en.wikipedia.org /wiki/Aedeagus (214 words)

	Beetles of the World - Glossary (Site not responding. Last check: 2007-10-20)
		Aedeagus in which the phallobase forms a sheath or ring around the penis and the parameres are often reduced in size, fused to the phallobase or completely absent.
		Aedeagus in which the parameres and penis are well developed but the phallobase is reduced to a narrow strip of cuticle or membrane only; in the latter case the parameres appear to be joined directly to the penis and the aedeagus resembles the adephagan type.
		Aedeagus in which the phallobase (or basale) and partly to completely fused parameres together form an incomplete sheath on one side (usually dorsal) of the penis; the parameres are not individually articulated but may form a combined apical piece (apicale), which is articulated to the phallobase.
	delta-intkey.com /elateria/www/glossary.htm (5102 words)

	B (Site not responding. Last check: 2007-10-20)
		Aedeagus in which the phallobase and parameres are well developed but the penis is membranous or sclerotized only at base, where there may be a pair of anterior struts.
		Aedeagus in which the phallobase broadly overlaps the parameres, and the latter are fused basally to each other and to the base of the penis; a secondary bridge may also unite the parameres.
		Aedeagus in which the phallobase is more or less reduced and often fused to the parameres, which form a tube surrounding the penis; the entire structure is usually somewhat flattened.
	gvcocks.homeip.net /Dictionary/dict_B.htm (264 words)

	FLEAS: Morphology
		The genital apparatus of male fleas consists of the aedeagus, modified tergites and sternites of the 8th and 9th abdominal segments and claspers.
		The aedeagus and claspers derive from primary phallic lobe (Snodgrass, 1946, 1957; Gunther, 1961).
		The complexity of the aedeagual structure is caused by the separation of its internal duct (endophallus) into a number of complex sclerites.
	www.zin.ru /Animalia/Siphonaptera/morph.htm (363 words)

	beetles
		Aedeagus lacking prominent basal spurs; or if with spurs, not constricted just before basal margin; last ventral abdominal segment of male nearly always with distinct rectangular or curved apical lobe.....
		Aedeagus normal, not deflexed; if apex of aedeagus is strongly deflexed, then basal 1/3 is cylindrical, not flattened; tarsal claws bifid in both sexes.....
		Aedeagus with acute apical tip turned to left; orifice large, asymmetrical, and dorsally weakly sclerotized.
	www.ag.auburn.edu /aaes/communications/beetles/galerucinae.htm (3549 words)

	Arthropods of Economic Importance - Agromyzidae of the World >
		Unfortunately, the aedeagus (phallus), the taxonomic most important structure, is usually concealed below the last abdominal sternites at the ventral side of the abdomen (How to dissect and handle the male genitalia is described in the chapter Dissection of male genitalia).
		In retracted position the aedeagus is inflated below the epandrium and the hypandrium and concealed by the last abdominal sternites.
		For copulation the aedeagus comes out by means of the aedeagal apodeme, which is connected with the base of the aedeagus and the gonites.
	ip30.eti.uva.nl /bis/agromyzidae.php?id=3&menuentry=morphology (1668 words)

	glossary (Site not responding. Last check: 2007-10-20)
		Aedeagus (=phallus, intromittent organ, penis): Male organ bearing the genital opening or openings; arising immediately behind sternite 9.
		Ejaculatory apodeme (=aedeagal apodeme): Unpaired apodeme inserted at the basiphallus of the aedeagus.
		Genitalic capsule: The male genitalia comprising the epandrium, gonocoxites, aedeagus and hypandrium.
	www.cdfa.ca.gov /phpps/ppd/Entomology/Lucid/Therevidae/Austherevid/key/Austherevid/Media/Html/glossary.html (1084 words)

	A review of the leafhopper genus Jikradia Nielson with descriptions of four new species ... (Site not responding. Last check: 2007-10-20)
		Aedeagus with gonopore basad of apical setae (Fig.
		Aedeagus with a single apical seta and a row of short setae basad of apical seta (Fig.
		Aedeagus with 2 apical setae and row of short setae basad of apical setae (Fig.
	rbt.ots.ac.cr /revistas/46-3/godoy.htm (1872 words)

	yuccasella complex key
		Aedeagus less than or equal to 0.025 mm in minimum cross section....................................
		Aedeagus bigger than or equal to 0.030 mm in minimum cross section................................
		Aedeagus bigger than or equal to 0.06 mm in minimum cross section..................................
	www.cas.vanderbilt.edu /bio/tolprodox/yuccasellakey.html (518 words)

	Math 225 (Site not responding. Last check: 2007-10-20)
		Measurements were made on the width and angle of the aedeagus of each beetle.
		The aedeagus is the median lobe of the male genital capsule that is surrounded by the phallobase and through which the sperm duct traverses.
		The maximal width of aedeagus in the forpart (in microns).
	www.cs.wisc.edu /~larget/math225/beetle.html (136 words)

	MorphLect13
		Phallobase is basal section to phallus; aedeagus is more distal.
		Also can have a pair of gonopophyses (parameres) present on the 9th segment (often embracing penis) and a smaller pair on the 8th or both pairs can be absent.
		The aedeagus and accessory genital structures of the male are on the 2nd and 3rd abdominal segments.
	www.ento.vt.edu /~pfeiffer/MorphLect13.html (1015 words)

	APSS - Ticks and Animal Health - Treatment of species
		Ventral surface of male eight abdominal segment widely emarginate apically; apex of aedeagus regularly rounded, not dilated.
		Median lobe of aedeagus tubular, with spiniform projection in subapical dorsal region; basal apodemes very short; median armature moderately long.
		Median lobe of aedeagus tubular (dorsal view), with spiniform projection in subapical dorsal region; median armature moderately long.
	res2.agr.ca /ecorc/histerid/treatment-traitment_e.htm (5923 words)

	[No title]
		In some families it is not possible to detach the aedeagus, or to flatten the valves, or the parts may need to be presented from a certain angle.
		Removing the aedeagus may cause damage, so proceed with caution: lay the valves on their side and hold down firmly with the heel of an angled pin; use a second pin to pull the aegeagus away.
		Sometimes it is desireable to evert the thorn-like structures inside the aedeagus (the cornuti), but this can be tricky because of the small size of the material.
	www.essexmoths.dsl.pipex.com /page41.html (505 words)

	Temnostoma key (Diptera: Syrphidae) (Site not responding. Last check: 2007-10-20)
		Tergite 2-4: anterior and posterior yellow stripe broadly connected at the side margin, the width of the fl stripe in between 2-2.5 times smaller than the width of the anterior yellow stripe.
		Aedeagus, gonite and apodema of male (Krivosheina, 2004).
		The blade of the apodema of the aedeagus triangularly extended.
	home.hccnet.nl /mp.van.veen/KEYS/Temnostoma/temn_key.html (3964 words)

	[No title]
		4 = the maximal width of the aedeagus in the fore-part in microns.
		5 = the front angle of the aedeagus (1 unit = 7.5 degrees).
		6 = the aedeagus width from the side in microns.
	www.iastate.edu /~stat415/cook/flea.xml (121 words)

	Taxonomic review of Costa Rican Pipunculidae (Diptera, Insecta) (Site not responding. Last check: 2007-10-20)
		Aedeagus apparently with 5 apical rami (Figs 15, 16)....................................................................................................................................
		Aedeagus (Fig 58) apparently without rami, membranous distally and with an inconspicuous collar of small spines at apex.
		It differs by tergites 4 and 5 being almost entirely silvery gray pruinose, by the structure of the surstylus and paramere and the absence of a spicula on the aedeagus.
	rbt.ots.ac.cr /revistas/47-3/rafael.html (7178 words)

	Dmitry A
		The method is based on hydraulic extrusion of the endosoma from the theca using microcapillaries, with subsequent drying of the aedeagus.
		On the structure of the aedeagus in shield bugs (Heteroptera, Pentatomidae): 1.
		On the structure of the aedeagus in shield bugs (Heteroptera, Pentatomidae): II.
	www.ndsu.nodak.edu /ndsu/rider/Pentatomoidea/Researchers/Gapon_Dmitry.htm (284 words)

	Monarchs in the Classroom
		The ejaculatory duct is a long tube that carries sperm from the vas deferens and secretions from the accessory glands to the aedeagus (penis).
		It forms within the male’s aedeagus and is transferred with the sperm at the very end of copulation.
		The collum has an opening that is positioned next to the opening of a duct in the female that leads to the sperm storage organ.
	www.monarchlab.umn.edu /Research/Rep/male.html (645 words)

	Aedeagus - Encyclopedia, History, Geography and Biography
		An aedeagus (plural aedeagi) is a reproductive organ of male insects through which they secrete sperm from the testes during copulation with a female insect.
		The aedeagus is part of the male insect's phallus, which also includes in some species the valvae, which are paired organs which help the male hold on to the female during copulation.
		This page was last modified 09:11, 23 April 2006.
	www.arikah.net /encyclopedia/Aedeagus (205 words)

	Bioline International Official Site (site up-dated regularly)
		Its aedeagus does not present the pair of submedian processes described and illustrated by Wirth (1953).
		Probably, the two delicate membranous expansions present in this region of the aedeagus were confounded with the processes.
		7) elongated, nearly 1.3 times longer than aedeagus; divided, each with a strongly sclerotized trilobed basal arms, connected each other by a membranous ligament; mid portion swollen with one long, curved, horn-like process (the right longer than the left one); apical portion sharp, curved, internally directed.
	www.bioline.org.br /request?oc95077 (1403 words)

	Bembidion carinula (Site not responding. Last check: 2007-10-20)
		velox, males can be best separated by characters of the aedeagus, and females by the elongate second stylomeres (longer than 400 µm in B. carinula, around 200 µm in B. velox and B. lapponicum).
		Aedeagus of B. carinula slenderer, with narrower basal orifice; right lobe of CSC unridged; ostial microtrichial patch smaller; no apical "pillow" as in B. lapponicum.
		Dorsal plate of aedeagus with small sclerotized patch with dark, irregular borders; other Bracteon have dark dorsal plates (most notably B. hesperium), but in these the sclerotized region is more extensive.
	tolweb.org /Bembidion_carinula/390 (438 words)

	General Ecology
		During copulation, sperm is passed from the male to the female via the aedeagus which is a sclerotized organ of the male reproductive system.
		The shape of the aedeagus is most often different from species to species and in other beetle groups, the shape of the aedeagus is used to separate species that closely resemble one another.
		The male everts the aedeagus and inserts it into the vagina or vestibule of the female.
	www.ndsu.nodak.edu /ndsu/beauzay/tigerbeetles/General_ecology.htm (721 words)

	[No title]
		........................................................................31a 30a robust, average length 3.4 mm; aedeagus of male genitalia almost l-shaped, with a distinct subapical angle dorsally; elytra of female shining; NW U.S. and Canada.
		........................................................................33a 33a aedeagus of male genitalia with a prominent dorsal lobe; 3 to 3.5 mm long; elytra of female shining, without micropunctures; SW Canada.
		........................................................................53a 50a aedeagus of male genitalia bent abruptly downward in apical fifth; 3 to 4.5 mm long; e of rocky mountains.
	www.inhs.uiuc.edu /biod/waterbeetles/haliplidae/key (2312 words)

	Erythroneura (Erythroneura) vitis (Harris, 1831) (Site not responding. Last check: 2007-10-20)
		Aedeagus round in crossection, without dorsal process, with dorsal carina.
		Aedeagus ventral processes placed basally, well separated from shaft, longer than shaft.
		Aedeagus ventral processes parallel to each other on ventral side of aedeagus.
	ctap.inhs.uiuc.edu /dmitriev/taxahelp.asp?hc=8418&key=Erythroneura&lng=En (4281 words)

	[No title]
		Materials and Methods An understanding of the complicated aedeagus and associated anatomical parts of the modified abdominal segments of the male requires dissections.
		Because of their extremely small size, these anatomical parts were picked up unded one dissecting scope with a micro-spatula and transferred onto a microscope slide in a small drop of Canada balsam under an adjacent dissecting microscope.
		The apodeme of the aedeagus expanded in middle forming a mild dorsal convexity (lateral view); apex with apical appendage and proximal spur (ps.) at anterior junction of aedeagal pouch (ps.
	inbio.byu.edu /faculty/mfw2/rfd/PDF/Hastriter_Jellisonia_Revision/Jellisonia_Revision.doc (11680 words)

	Florida Entomologist, v. 78, n. 2, p. 246
		The aedeagus of Petrejoides michoacanae Schuster is described.
		Aedeagus: Median lobe large and globose, with many pigment punctations.
		Ventral view: parameres and basal piece not completely separated by a distinct suture, the tegmen is narrower at the base than the apex.
	www.fcla.edu /FlaEnt/fe78p246.html (1112 words)

	[No title] (Site not responding. Last check: 2007-10-20)
		Illustrations: Cartwright and Chalumeau 1978: 6 (habitus); Chalumeau 1983: 148 (aedeagus); Endrödi 1985: 99 (aedeagus).
		When visiting Dominica in 1979, I was regailed by stories of the species' ability to grasp a branch in the horns, start to fly, and thus secured, twirl around a branch until it was cut, where upon it would lay an egg in the cut.
		Illustration: Cartwright and Chalumeau 1978: 28 (habitus, aedeagus, and metatibia); Chalumeau 1983: Plate 8 (habitus); Endrödi 1985: 712 (parameres); Ratcliffe and Ivie 1998: 203 (parameres).
	virgin.msu.montana.edu /WestIndies/Polyphaga/Scarabaeoidea/Scarabaeidae/WIDynastinae.html (3217 words)

	Key to NZ species of genus Paradorydium: Paradorydium apical keel aedeagus
		Key to NZ species of genus Paradorydium: Paradorydium apical keel aedeagus
		Aedeagus with apical keel short and broadly triangulate
		Aedeagus with apical keel elongate and curved ventrally
	www.landcareresearch.co.nz /research/biodiversity/invertebratesprog/hemwsite/nzleaf/keytospp/parad02.asp (61 words)

	Nearctic Genera: Figures 122-135
		123- Gonocoxites, hypandrium, and aedeagus in ventral view.
		129- Left gonocoxite in appendages and aedeagus in dorsal view.
		Press "Back" on your browser to return to the key.
	www.inhs.uiuc.edu /cee/therevid/Ng122_135.html (46 words)

	Margarintous maruyamai (Site not responding. Last check: 2007-10-20)
		Although Myrmecohister somewhat deviates from other Margarinotus species, several characters in aedeagus of male genitalia clearly indicate a monophyletic origin with that genus, while the presence of an apical denticle on median lobe of aedeagus suggests a close relationship with the subgenus Paralister and some species of the subgenus Ptomister, e.g.
		in North America; however, it can easily be distinguished by the structure of male genitalia, that is, the presence of median armature of aedeagus.
		Psiloscelis is allied to the genera Hister, Merohister and Atholus rather than to Margarinotus, on the basis of their structure of male genitalia.
	www.museum.hokudai.ac.jp /organization/staff/Emmamushi/Histerinae/Histerini/Margarinotus/Myrmecohister.html (266 words)

	Frugivorous Drosophilidae Species of the Philippines.
		Differs by having epandrium slightly triangularly pointed at caudalventral corner; paramere relatively broad, apically round, only basally with several setulae; aedeagus small.
		Sexcomb only on male fore first tarsomere; aedeagus very long, curved, apically hirsute.
		Cercus not elongated below; caudal margin of epandrium slightly expanded just above projection; shape of distiphallus is differend.
	www.kimvdlinde.com /professional/biology/drosophila/philippines/species.html (240 words)

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