Huruk S,. 1999: Current knowledge about the carabid beetles (Carabidae, Col.) of the Świetokrzyski National Park. 8 pp.  

Radchenko A., Czechowska W., Czechowski W., Siedlar E., 1999: Four species of the ant genus Lasius F. new to Poland, with additions to the records for previously reported species (Hymenoptera, Formicidae). 7 pp.  Fragmenta Faunistica 42(11): 115-121.

Czechowski W., Woyciechowski M., Czechowska W., 1999: Myrmica microrubra Seifert, 1993 (Hymenoptera, Formicidae) – an inquiline ant species new to Poland. 4 pp.  Fragmenta Faunistica 42(12): 123-126.

Trojan P., 2000: The meaning and measurement of species diversity. 13 pp. [8071]  Fragmenta Faunistica 43/1: 1-13

 Pilipiuk I., 2000: Diversification of enchytraeid communities (Enchytraeidae, Oligochaeta) of the South Basin of the Biebrza National Park. 13 pp. [EVE 575]  Fragmenta faunistica 43(1-8): 15-27.

Czechowski W., Czechowska W., 2000: Epimyrma ravouxi (André, 1896) (Hymenoptera, Formicidae) in the Pleniny Mts- notes on its occurrence and biology. 5 pp.  Fragmenta Faunistica 43(3): 29-33.

Disney R. H. L., Michailovskaya M. V., 2000: New species of Pseudacteon Coquillett (Diptera: Phoridae) from the Far East of Russia. 11 pp.  Fragmenta Faunistica 43(4): 35-45.

Bankowska R., 2000: Syrphid flies (Diptera, Syrphidae) from Mongolia collected by Polish expeditions. 8 pp.  Fragmenta Faunistica 43(5): 47-54.

Bankowska R., 2000: New species of Paragus Latr. from Middle Asia (Diptera, Syrphidae). 4 pp.  Fragmenta Faunistica 43(6): 55-58.

Starega W., 2000: Spinnen (Araneae) aus Roztocze und den anliegenden Gebieten. 31 pp.  Fragmenta Faunistica 43/7: 59-89.

 Adis J., Golovatch S. I., 2000: Notes on the unique structure of the spiracles and legs in Pandirodesmus disparipes Silvestri, 1932 (Diplopoda, Polydesmida, Chelodesmidae), with some possible implications concerning its mode of life. 12 pp. [EVE 2]  Fragmenta faunistica 43(9-17): 97-108.

 Mikhaljova E. V., Golovatch S. I., Wytwer J., 2000: On some new or poorly-known millipedes (Diplopoda) from North Korea. 14 pp. [EVE 499]  Fragmenta faunistica 43(9-17): 109-122.

Czechowska W., 2000: Sialis morio Klingstedt, 1932 (Megaloptera, Sialidae), an alderfly species new to Poland. 3 pp. [MRN 153]  Fragmenta Faunistica 43(11): 123-125.

Czechowski W., Radchenko A., 2000: Formica glauca Ruzsky, 1895 (Hymenoptera, Formicidae) in Poland. 3 pp.  Fragmenta Faunistica 43(12): 127-129.

Czechowski W., Czechowska W., 2000: Formica cinerea fuscocinerea For. in the Peniny Mts; its untypical habitat and plesiobiosis with Lasius flavus (F.) (Hymenoptera, Formicidae). 3 pp.  Fragmenta Faunistica 43(13): 131-133.

Banaszak J., 2000: A checklist of the bee species (Hymenoptera, Apoidea) of Poland, with remarks on their taxonomy and zoogeopraphy: revised version. 59 pp. [50165]  Fragmenta faunistica 43/14: 135-193.

Bankowska R., 2000: Notes on syrphid flies (Diptera, Syrphidae) of Japan. 5 pp.  Fragmenta Faunistica 43(16): 203-207.

Disney R. H. L., Michailovskaya M. V., 2000: A new genus of scuttle fly (Diptera: Phoridae) from Russia. 5 pp.  Fragmenta Faunistica 43(17): 209-213.

 Chudzicka E., Skibinska E., Janoszek M., 2001: The invetebrate fauna of Góry Stolowe National Park, its its specificita and value. 19 pp. [80031]  Fragmenta faunistica 44(1): 1-19.

Pilipiuk I., 2001: Enchytraeid communities (Enchytraeidae, Oligochaeta) of the ash-alder carr (Circaeo-Alentum) in two regions of Poland. 11 pp. [EVE 576]  Fragmenta faunistica 44(1): 21-31.

Wasowska M., 2001: Changes in chrysomelid communities (Chrysomelidae, Coleoptera) from pine canopies, during secondary succession of moist coniferous forest in Puszcza Bialowieska. 14 pp.  

Winiarska G., 2001: Butterflies (Lepidoptera: Hesperioidea, Papilionoidea) in Narew National Park. 6 pp. [LEP 4025]  Fragmenta faunistica 44(1): 73-78.

Skorupski M., 2001: Mites (Acari) from the order Gamasida in the Wielkopolski National Park. 39 pp.  Fragmenta Faunistica 44(1): 129-167.

 Mroczkowski M., 2002: New distributional data on Dermestidae (Coleoptera) from Iraq and Arabian Peninsula. 4 pp.  Fragmenta Faunistica 45: 27-30.

Wegner E., 2002: Preliminary study of mosquitoes (Diptera: Culicidae) of the Narex Natiomal Park in Poland. 9 pp. [DIP 6734]  Fragmenta Faunistica 45: 57-65.

Disney R. H. L., 2002: Four new species of Puliciphora Dahl (Diptera, Phoridae) from Nigeria. 8 pp. [DIP 6330]  Fragmenta Faunistica 45: 73-80.

 Gwiazdowicz D. J., Lakomy P., 2002: Mites (Acari, Gamasida) occurring in fruiting bodies of Aphyllophorales. 9 pp.  Fragmenta Faunistica 45: 81-89.

Sielezniew M., Stankiewicz A., 2002: First data on host-specifity of parasitic Maculinea alcon (Den. & Schiff.) (Lepidoptera: Lycaenidae) in Poland and eastern Europe. 8 pp. [LEP 5452]  Fragmenta faunistica 45(2): 123-130.

Skrzypczynska M., 2002: Studies on the occurrence frequency of insects and mites causing galls on leaves of hornbeam Carpinus betulus L. in southern Poland. 5 pp. [GAL 29]  Fragmenta faunistica 45(2): 163-167.

Pilipiuk I., 2003: Enchytraeid fauna (Oligochaeta, Enchytraeidae) in the Bialowieza Primeval Forest. 17 pp. [EVE 829]  Fragmenta faunistica 46(1): 1-17.

Jazdzewski K., 2003: An invasive Ponto-Caspian amphipod – Dikerogammarus haemobaphes (Eichwald, 1841) – conquers Great Masurian Lakes, north-eastern Poland. 7 pp. [EVE 824]  Fragmenta faunistica 46(1): 19-25.

Winiarska G., 2003: Butterflies and moths (Lepidoptera) in urban habitats: II. The butterflies (Rhopalocera) of Warsaw. 9 pp. [LEP 5554]  Fragmenta faunistica 46(1): 59-67.

Lesniewska M., Taborska M., 2003: The centipede community of a beech forest in Magura National Park, Poland. 11 pp. [EVE 923]  Fragmenta faunistica 46(2): 109-119.