Odonatological Abstract Service published by the INTERNATIONAL DRAGONFLY FUND (IDF) in cooperation with the WORLDWIDE DRAGONFLY ASSOCIATION (WDA) Editors: Dr. Martin Lindeboom, Landhausstr. 10, D-72074 Tübingen, Germany. Tel. ++49 (0)7071 552928; E-mail: Lindeboom @aol.com and Martin Schorr, Waldfrieden 25, D-54314 Zerf, Germany. Tel. ++49 (0)6587 1025; E-mail: [email protected] Published in Rheinfelden, Germany and printed in Tübingen, Germany. ISSN 1438-0269 oocytes. The vitellarium is filled with pre-vitellogenic 1997 oocytes while the pedicel is in the form of compact mass of mesodermal cells. Vitellogenesis is evident in mature adults and it passes through the successive 1189. Ali, D.W. (1997): The aminergic and peptidergic early vitellogenic, midvitellogenic, late-vitellogenic and innervation of insect salivary glands. Journal of maturation stages. The lateral oviducts are mesodermal Experimental Biology 20(14): 1941-1949. (in English). in origin and initially run along the outer margin of the ["Insect salivary glands are glands associated with ovaries. The median oviduct is short and its anterior nutrient intake whose secretions are generally involved region is mesodermal while posterior region is in the digestion and lubrication of food. They are under ectodermal in origin." (Authors)] Address: Tembhare, the control of neuroactive substances and may be D.B., Post-Grad. Dep. Zool., Nagpur Univ. Campus, innervated from several sources including the Nagpur 440 010, India suboesophageal ganglion, the stomatogastric nervous system and the unpaired median nerves. Both amines 1191. Anselin, A.; Knijf, G. de (1997): The Belgian and peptides have been suggested to play roles in the Dragonfly Working Group. Levende Natuur 98(5): 184- control of insect salivation, as indicated by their 188. (in Dutch). ["The Belgian Dragonfly Working Group association with terminals on salivary glands, their Gomphus, a volunteer organization, was founded in effects in salivary gland bioassays and their ability to 1983. The main goal was to promote studies in alter second messenger levels and ion channel dragonfly faunistics and increase protection measures. conformations. Serotonin and dopamine appear to be One major activity from the start was the organization of the most prominent amines associated with insect an atlas project of Odonata distribution in Belgium. This salivary glands. Either one or both of these amines are project is now in its last phase. A special effort has found associated with the salivary glands of the locust, been made to achieve a good coverage of the territory stick insect, cockroach, cricket, dragonfly, mosquito, during the last five years. These data will form a base adult moth and kissing bug. Their roles, although not for future comparison. As a result of the atlas project, fully elucidated, appear to be in the control of salivary an increasing number of people have carried out secretion. Several peptides, including members of the detailed faunistical surveys in smaller regions. The FMRFamide-related family of peptides, are also found Gomphus database has been used for the composition associated with insect salivary glands. Sources of of the Red list of Dragonflies in Flanders, a project of peptidergic innervation are as varied as those for the Institute of Nature Conservation. Gomphus is also aminergic innervation, but information regarding the active in the field of nature protection and gives advise physiological role of these peptides is lacking. The for dragonfly-friendly management of wetlands. It takes relevance of the different levels of complexity of salivary part in a monitoring project in Wallonia and is currently gland innervation, which range from the absence of examining the possibilities of setting up a similar innervation in some species (blowfly) to the presence of scheme in the Flemish part of the country." (Authors)] several distinct sources in others (locust, cockroach), is Address: Knijf, G. de, Instituut voor Natuurbehoud, not well understood. This review serves to consolidate Kliniekstraat 25, B-1070 Brussells, Belgium. E-mail: what is known of the phenotype of salivary neurones in geert.de.knijf@i nstnat.be relation to the control of salivation." (Author)] Address: 1192. Bazzanti, M.; Chiavarini, S.; Cremisini, C.; Ali, D.W., Institution Montreal Gen. Hosp. Res. Inst., Soldati, P. (1997): Distribution of PCB congeners in 1650 Cedar Ave., Montreal, PQ H3G 1A4, Canada aquatic ecosystems: A case study. Environment 1190. Andrew, R.J.; Tembhare, D.B. (1997): The de- International 23(6): 799-813. (in English). velopment and structure of the ovaries in the dragonfly ["Polychlorinated biphenyls (PCB) congeners were Tramea virginia (Rambur) (Libellulidae: Odonata). determined in water samples, sediments and animal Journal of Advanced Zoology 18(2): 86-95. (in English). species in the frame of a survey of the River Arrone ["In Tramea virginia, the ovary is composed of (Central Italy, near Rome) after a major contamination numerous strings of panoistic ovarioles. Each ovariole episode. Animal species were selected on the basis of is differentiated into four regions the apical terminal their living and feeding habits and evaluated as filament, germarium, vitellarium and the distal pedicel. candidate bioindicators of PCB pollution in this lotic In the ultimate nymph, the terminal filament comprises a ecosystem. Total PCB concentrations in water were thick strand of germinal tissue. The germarium is filled found to be low (ng/L level), and in sediments, ranged with the primary and secondary oogonia and primary from about 10 to 200 mug/kg dry weight, depending on Odonat. Abstr. Service 6 (July 2000) - page 1 the distance from the contamination source. PCB and percent polymorphic loci (P, 81.5% vs. 87.2%) patterns in sediments showed a prevalence of higher found in S. darwinianum were very comparable to those chlorinated congeners over time. Concentrations in for S. eroticum eroticum. Analyses of WRIGHT's macroinvertebrates (Calopteryx splendens and Anax fixation indices, calculated for all polymorphic loci imperator) ranged from 60 to 400 mug/kg dry weight, across populations in each species, indicated that, showing significantly different species to species overall, a near conformance of genotype frequencies to patterns. PCB concentrations were almost parallel in Hardy-Weinberg expectations, suggesting that mating sediments for different sampling stations, while was nearly panmictic. The results indicated that the two differences in patterns among species can be explained species might have very similar phylogenetic histories, in terms of bioaccumulation/excretion mechanisms. and/or ecological and life history traits." (Authors)] Freshwater shrimps (Palaemonetes antennarius) were Address: Chung Myong Gi Institution Dep. Biol., not found close to the contamination source, as a Gyeongsang Natl. Univ., Chinju 660-701, South Korea consequence of their extreme sensitivity to chemicals, 1195. Clarke, D.; Hewitt, S. (1997): Vagrant Emperor and showed a peculiar pattern (almost exclusively determined by congeners 153, 138, and 180) probably Dragonfly, Hemianax ephippiger (Burmeister) at originating from biodegradation mechanisms. Fish sam- Caerlaverock, Dumfriesshire. Glasgow Naturalist 23(2): ples (Rutilus erythrophthalmus) showed the highest 58. (in English). [1 male was observed on 3 November concentrations, as a combination of feeding habit, lipid 1996] Address: Clarke, D., Institution Tullie House content and, probably, less effective biodegradation Mus., Castle St., Carlisle CA3 8TP, UK. /excretion pathways. Congener patterns closely match 1196. Currie, R.S.; Fairchild, W.L.; Muir, D.C. those of Aroclor 1260, which originates from the (1997): Remobilization and export of cadmium from contamination source. This study confirms that lake sediments by emerging insects. Environmental congener physical and chemical parameters, different Toxicology & Chemistry 16(11): 2333-2338. (in degradation rates, feeding habits, and mobility of the English). ["Emerging insects including, Diptera, analysed aquatic organisms, metabolism, and excretion Odonata, Ephemeroptera, and Trichoptera were mechanisms, are to be considered to explain the collected from Lake 382 (L382) in 1991 and 1992 to distinctive PCB patterns of different samples." estimate quantitatively the export of Cd by aquatic (Authors)] Address: Bazzanti, M., Dep. Human Animal insects from a natural system having elevated Cd Biol., Univ. "La Sapienza", 00185 Rome, Italy concentrations in the water and sediment. L382 is a 1193. Beccaloni, G.W. (1997): Ecology, natural Canadian Shield lake, located within the Experimental history and behaviour of ithomiine butterflies and their Lakes Area in northwestern Ontario, that received mimics in Ecuador (Lepidoptera: Nymphalidae: experimental additions of Cd from 1987 to 1992. Ithomiinae). Tropical Lepidoptera 8(2): 103-124. (in Emerging Diptera (mostly Chironomidae), Odonata, and English). ["The ithomiine butterfly species Ephemeroptera had mean Cd concentrations of 1.41, (Nymphalidae: Ithomiinae) which occur at Jatun Sacha 0.11, and 0.30 mug/g wet weight, respectively. An Biological Station, Napo Province, Ecuador were found estimated 1.32 to 3.90 g of Cd per year were exported to participate in eight discrete mimicry complexes. from the sediments of L382 depending on the estimate These complexes involve a total of 124 insect species: of production rates used for these groups of insects. 55 ithomiine species, 34