Research Article
Spatial Variations in Aquatic Insect Community Structure in the Winam Gulf of Lake Victoria, Kenya
Table 4
Composition and distribution of aquatic insects in Winam Gulf, lake Victoria.
| Insect taxa | Order | Family | Genus | Genus coding | Maboko Island | Kisumu bay | Fish LB | Ndere Island | Kendu bay | Homa bay | No. of individual insect counts | % compositio n |
| Hemiptera | Veliidae | Microvelia borealis | Mbor | — | — | 1 | — | — | — | 1 | 0.261 | Nepidae | Ramastra represented | Ram | — | — | 1 | — | — | — | 1 | 0.261 | Nepa apculata uheri | Nap | — | — | 1 | 4 | — | 1 | 6 | 1.567 | Naucoridae | Ambryosus mermon | Amor | 27 | 3 | 12 | 9 | 19 | 2 | 72 | 18.8 | Gillis altilis | Galt | — | — | 4 | — | — | — | 4 | 1.04 | Corixidae | Corixini sp | Cor | 5 | 118 | 20 | — | — | 3 | 146 | 38.12 | Pleidae | Paraplea brunni | Pbru | 1 | 3 | — | — | — | — | 4 | 1.04 |
| Diptera | Chironomidae | Ablebesmyia sp | Able | 1 | 17 | 2 | 23 | 0 | 1 | 44 | 11.488 | Chironomus sp | Chiro | 1 | 1 | 1 | 0 | 9 | 12 | 24 | 6.266 |
| Ephemeroptera | Leptophlebiidae | Habrophlebia sp | Hab | 2 | 1 | — | — | 3 | — | 6 | 1.567 | Polymitarcyidae | Pentagenia viltigera | Pvil | — | — | 15 | 1 | — | — | 16 | 4.177 | Baetidae | Baetis calorina | Bcal | 1 | — | 5 | — | — | 3 | 9 | 2.35 | Caenidae | Caenis moesta | Cmoe | — | — | 6 | — | — | — | 6 | 1.567 |
| Tricoptera | Phryganeidae | Polycentropus sp | Poly | 1 | — | 1 | 1 | — | — | 3 | 0.783 | Sericostomatidae | Sericostomatidae sp | Seri | — | — | 1 | 1 | — | — | 2 | 0.522 | Brauchycentridae | Brauchycentridae sp | Brau | — | — | 1 | — | — | — | 1 | 0.261 |
| Coleoptera | Psephenidae | Psepheaus sp | Psep | — | 21 | 1 | — | — | — | 22 | 5.744 | Hydrophilidae | Hydrophyllus sp | Hydr | 5 | — | 1 | — | — | — | 6 | 1.567 |
| Odonata | Agriidae | Agrion virgo | Avir | — | — | 1 | 9 | — | — | 10 | 2.61 |
| Number of individual insect counts | 44 | 164 | 74 | 48 | 31 | 22 | 383 | 100.0 |
| Composition | 11.49 | 42.82 | 19.32 | 12.54 | 8.09 | 5.74 | — | |
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