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Enciclope- Odonatological Agron., Passage Odonatological Abstracts 1984 (Zool. gen.et appl., Fac. Univ. Sci. Agron., Passage des Deportes 2, B-5030 Gembloux). A review with references (15645) BENASSO, G., 1984. Zoologia. In: Enciclope- paper, numerous to the dia monograficadel Friuli Venezia Giulia 1 Aggior- Odon. - The prediction that insects, as a result of , namenti: La within the $ ricerca scientifica,pp. 343-426,pis 35-38 polyandry, extreme sperm longevity excl., 1st. Enciclop. Friuli Venezia Giulia, Udine. — and high efficiency of sperm utilisation at fertilisa- (Author’slast-known affiliation: Lab. tion, are preadapted to sustain a high level of regionale per very la storia delle scienze natural!, Pordenone, Friuli, sperm competition is demonstrated acrossnumerous - studies. Italy; Publishers; Via Marco Volpe 17/A, 1-33100 In many insects, S S have evolved strategies to decrease Udine, Friuli). sperm competition risk. Paternity as- mechanisms A comprehensive outline is presentedof the history surance such asmating plugs or mate (pp. 343-410)and of the current zoologicalresearch guardingdo not necessarily influence the number of laid the 2 but taken (pp. 411-426) in the Autonomous Region Friuli Ven- eggs by are by <J to reduce the ezia Giulia, NE of his to be Italy. The history is traced from probability sperm preceded by the sperm I.A. of another Each of these mechanisms Scopoli (1723-1788), and some biographic data 6. influencing are supplied on mating has an in numerous regional odon. workers adaptive significance promoting<5 and collectors, e.g. A. Lazzarini (1871-1945;cf. OA reproductive success. However, 2 insects are polyan- 3457), G. Tacconi (odon. publications: 1888, Boll. drous and theyplay anactive role in matechoice and Ass. agr. friul. [IV] 5[1]: 10-16; 1906, In Alto 17[3]: in discrimination between the ejaculates ofdifferent 5S. 27-32), B. Finzi (1897-1941; odon. coll, in MSNT, Also, they have co-evolved strategy to increase Triest), C. Koch (1904-1970; curator Mus. Ent. “P. their own reproductive success and to counteract the costs from Rossi”, Duino), G. Muller (1888-1964; great cole- resulting paternity assurancemecha- nisms. control opterologist, Director Mus. civ. Stor. nat., Triest), They can paternitybefore copulation A. Schatzmayer (1880-1950; Director Mus. Ent. “P. (pre-copulation, pre-insemination),duringcopula- Rossi”), E,Stolfa (deceased in Albania, 1943),A.C. tion, and because fertilisation takes place within their bodies after principe della Torre e Tasso (1881-1937;founder of insemination, and after fertilisa- Mus. Ent. “P. Rossi”, which institution operated tion through selective abortion. A d’s reproductive — An informative successcan be determined asthe product of his mat- during I924-I937)etc. summary of this work has ing success and his fertilisation appeared in Lanternino 1986(1): (mate per lifetime) 11-12. success number of sired (average progeny per mate), d fertilisation success is generally studied in terms of 1999 sperm precedence where the proportion of the female progeny fathered by a given d is examined. 1999. La Sperm precedence can be studied different (15646) ARNOUD, L., competition sper- using matique chez les insectes; les strategies d’assurance methods, each having advantages and disadvan- de la la 9 insects behave paternite et preseance du sperme. Biotechnoi tages. Although polyandrously, Soc. — most studies Agron. Emir 3(2): 86-103. (With Engl. s.). sperm competition investigate sperm 416 OdonatologicalAbstracts 2 precedence when only 6 are mated with a 5. To 2000 determine if the results obtained in double-mating it is thus experiments fitwell with reality, important (15649) ADRIAENS, T, 2000. Eco-ethologischeim- success in experiments to examine last 6 mating plicaties van fenotypische varialie bij de waterjuffer with more than 2 . Moreover, — where 5 5 are mated Enallagma cyathigerum. [Eco-ethological impli- within a sp., high fertilisation success variations are cations of phenotypical variation in Enallagma cy- 6 3 of different viii+102 observed between populations or athigerum]. M.Sci. thesis, Univ. Gent, pp„ even of the same population. These variations re- figs & tabs excl. (Dutch), - (Dept Anim. Ecol., from interaction between factors such Bel- sult as sperm Univ Gent, Ledeganckstraat 35, B-9000 Gent, number, and/or sperm length,pre- post-copulatory gium). $ choice, paternity assurancemechanism efficiency, The existing hypotheses on the maintenance of $ 9 in the field and sperm storage organ morphology,etc. polymorphism were experimentally examined and are critically assessed. (15647) HONG, S.-J„ H.-C. WOO, S.-U. LEE & S. HUH, 1999. Infection status of dragonflies with (15650) BURCK.HARDT, D,2000. Entomofaunistik Plagiorchis muris metacercariae in Korea. Korean J. in der Schweiz. Enlomologicabasil. 22: 31-43. (With - Parasilol. 37(2): 65-70. (FirstAuthor: Dept Para- Engl. s.). — (Naturh. Mus., Augustinergasse 2, CH- sitol., Fac. Med., Chung-Ang Univ.,Seoul-156756, -4001 Basel). the nation- Korea). In Switzerland, the present knowledgeon Orthetrum of Calopteryx atrata, albistylum specio- al insect fauna is the result of the work relatively of sum, Pantala flavescens, Sympetrum darwinianum, few entomologists. Here, the history exploration S. eroticum, S. infuscatum and S. pedemontanum, is outlined in the light of the lives and works of 12 from a wide range of localities in Korea, were in- workers, several of whom have rendered significant fected by P. muds (Trematoda). The metacercarial contributions also in the field of odonatology, e.g. burden was the highestin S. eroticum, followed by S. J.C. Fuessly (1706-1782), J.H. Sulzer (1734-1813) darwinianum,S. pedemontanumand C.atrata. The and R. Meyer-Diir (1812-1885).Their portraits are infection found in S. also While 70 odon. known from highest rate was darwinianum, provided. spp. were metacercarial followed by S. pedemontanum. The Switzerland by the end of the 19th century (T. Steck, in and burden was particularly heavy Hamyang-gun 1894, Mitt, schweiz. ent. Ges. 9: 60-61), the current It play a stands the 81 mark. — For the Kosong-gun, seems, dragonflies significant census at spp. history host in the life role as the second intermediate cycle of Swiss odonatology,see B. Kiauta, 1978, Odona- of P. muds in Korea. tologica 7: 191-222. (15648) YANOV1AK. S.P., 1999. Effects of Mecis- (15651) CLARKE, D., 2000. Dragonflies: dashing togaster spp. (Odonata: Pseudostigmatidae) and icons of Cumbria’s insect diversity. Cumbrian Wild- Culex mollis litter decom- — address stated in- (Diptera; Culicidae) on life 57, pdf 6 pp. (Author’s position in neotropical treehole microcosms. Fla completely: Tullie House Mus., Carlisle, Cumbria, Ent. 82(3): 462-468. (WithSpan. s.). - (DeptZool., UK). Univ. Oklahoma, Norman, 73019, USA). Introduction of the dragonfly world of Cumbria, The effects of a toppredator (Mecistogaster)on sur- UK. with emphasis on habitats and conservation, and conservation vivorship of the grazer (C. mollis) decomposi- includingareview ofpost-1980 status tion of leaf litter in treehole microcosms were of 6 in Cumbria. rates scarcer spp. investigated. Ina factorial experiment using 200 ml remained when PLOEG & G. cups, less litter mass grazers (51%) (15652) FLECK, G„ A. NEL, G. DE than fossil from the Paris and grazers plus predators (51%)were present, MASSELOT, 2000. A dragonfly without Predators reduced of grazers (57%). mosquito Basin amber France (lowermost Eocene) (Insec- survival, but had no indirect effect on litter decom- ta, Odonata, Anisoptera). Acta geol. hisp. 35(1/2); larvae 131-134. — 40 de position rate. Mosquito facilitated decompo- (First Author: rue Benfeld, F- food limited. sition of litter and may have become -67100 Strasbourg). A of unnamed libellulid is wing fragment an sp. described illustrated and its systematic position is OdonatologicalAbstracts 417 to discussed. It was recovered from the Sparnacian discussed in relation functional hypotheses for deposits at Le Quesnoy, Creil region, Oise dept, roost site choice and fidelity. France, and it is deposited in MNHN, Paris (PA 2410). The occurrence of a dragonfly in amber is (15655) REZBANYAI-RESER, L. & P. HER- unusual, and the specimen represents one of the GER, 2000. 25 Jahre entomofaunistische und tax- oldest libellulid records in the Cenozoic. onomische Forschung im Natur-Museum Luzern. Entomologicabasil. 22: 99-106. (With Engl. s.). - (15653) GEISER, E., 2000. Faunistik in Buchform; (Natur-Mus. Luzern, Kasernenplatz 6, CH-6003 niitzliches Nachschlagwerk oder Anachronismus im Luzern). Zei taller der elektronischen Medien? Entomologica Includes a passing reference to the odon. collec- basil. 22:44-47. (With Engl. s.). - (Saint-Julien-Str. tions of the Nat. Hist. Mus. Luzern, Switzerland. All material is of Swiss and its 2/314, A-5020 Salzburg). provenance, acces- Coll. The advantages and disadvantages of the classical sibilitysensuR.J. McGinley (1989, Em. News is publication of large faunistic surveys arecompared 2: 19-24) stated. with those inherent to electronic “publishing”. It is HARVEY concluded, a classical publicationispreferable, but it (15656) SAINT-JACQUES, N„ H.H. & is considered useful ifthe D.A. 2000, Selective in the subsequent, updating sup- JACKSON, foraging plements are made available by electronic means. white sucker (Catostomus commersoni). Can. J. Zool. 781320-1331. (Third Author: Dept Zool., (15654) GRETHER, G.F. & P.V. SWITZER, 2000. Univ, Toronto,Toronto, ON, MSS 3G5, CA). Mechanisms for the formation and maintenance of C. commersoni is a widespread and
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