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	—