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Ecological Studies at the Woodworth Study Area

Chironomidae (Diptera) of the Woodworth Study Area, North Dakota

Table 1

Table 1. Species of Chironomidae and mean emergence (number/m²) obtained by emergence traps from 10 wetlands at the Woodworth Study Area, North Dakota, 3 June to 8 September, 1994.

                                                         Mean no./m²
Tanypodinae                                                 137.0
     Ablabesmyia sp. 1                                       23.7
     Ablabesmyia sp. 2                                        1.0
     Ablabesmyia sp. 3                                       13.3
     Psectrotanypus dyari (Coq.)                             94.7
     Procladius bellus (Loew)                                 3.3
     Tanypus punctipennis Meig.                               0.3

Orthocladiinae                                              257.3
     Acricotopus nitidellus (Mall).                           7.7
     Corynoneura sp. 1                                      173.7
     Corynoneura sp. 2                                       14.0
     Cricotopus ornatus (Meig.)                              15.3
     Cricotopus sp. 2                                         1.0
     Limnophyes sp.                                           4.0
     Psectrocladius sp. 1                                    34.3
     Psectrocladius sp. 2                                     5.7

Chironominae

   Chironomini                                              389.3
     Chironomus tentans Fab.                                  9.7
     Chironomus pallidivittatus Mall.                       114.3
     Chironomus riparius Meig.                                8.7
     Chironomus atrella (Town.)                              90.7
     Dicrotendipes sp.                                       17.3
     Endochironomus nigricans (Joh.)                         17.3
     Glyptotendipes barbipes (Staeg.)                        80.0
     Glyptotendipes lobiferus (Say)                           1.7
     Glyptotendipes sp. 3                                     2.7
     Parachironomus potamogeti (Town.)                       45.0

   Tanytarsini                                              195.7
     Cladotanytarsus sp.                                      1.3
     Micropsectra sp.                                         0.7
     Paratanytarsus spp.                                     18.0
     Tanytarsus sp. 1                                       113.3
     Tanytarsus sp. 2                                        46.3
     Tanytarsus sp. 3                                        15.0

Unidentified                                                  5.0
                                                                                                
                                                            _____
Total Chironomidae                                          979.0

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