Effects of Artificial Flooding for Hydroelectric Development on the Population of Mansonia humeralis (Diptera: Culicidae) in the Paraná River, São Paulo, Brazil

Table 1

Total number of Culicidae collected and mean monthly values of richness, diversity, and dominance of Mansonia humeralis, according to the collection technique at the JB site in the municipality of Presidente Epitácio, for the preflooding (level 247 m) and postflooding (253 m and 257 m levels) phases of the Parana River.

Taxonomic category	Level 247 m						Level 253 m						Level 257 m				Total	%
	MA	ST	HAT 24 h	HATet	Subtotal	%	MA	ST	HAT 24 h	HATet	Subtotal	%	MA	ST	Subtotal	%
Ae. scapularis	134	701	6,463	1,304	8,602	38.8	6	186	88	12	292	3.7	23	38	61	10.9	8,955	29.1
Ma. humeralis	—	280	339	76	695	3.1	3	1,182	2,887	682	4,754	59.6	2	299	301	53.8	5,750	18.7
Ma. titillans	2	317	1,305	338	1962	8.8	2	326	245	120	693	8.7	1	15	16	2.9	2,671	8.7
Cq. nigricans	6	310	1,298	495	2,109	9.5	—	14	31	12	57	0.7	—	—	—	0.0	2,166	7.1
An. (Nys.) albitarsis s.l.	—	412	563	411	1,386	6.2	4	46	69	28	147	1.8	1	6	7	1.3	1,540	5.0
Cq. hermanoi	3	60	679	189	931	4.2	—	28	40	29	97	1.2	—	—	—	0.0	1,028	3.3
An. galvaoi	—	396	400	202	998	4.5	1	6	3	1	11	0.1	—	1	1	0.2	1,010	3.3
Ad. squamipennis	14	348	125	46	533	2.4	7	310	35	20	372	4.7	—	49	49	8.8	954	3.1
An. triannulatus	—	61	245	110	416	1.9	3	266	228	33	530	6.6	—	5	5	0.9	951	3.1
Ps. (Jan.) albigenu	3	61	675	74	813	3.7	—	3	28	—	31	0.4	—	1	1	0.2	845	2.8
Ps. (Jan.) discrucians	1	106	411	37	555	2.5	1	4	—	—	5	0.1	—	3	3	0.5	563	1.8
Cx. (Aed.) amazonensis	2	30	303	85	420	1.9	—	—	5	2	7	0.1	—	—	—	0.0	427	1.4
Cx. (Mel.) ocossa	50	6	30	—	86	0.4	160	90	40	8	298	3.7	3	12	15	2.7	399	1.3
Cq. juxtamansonia	1	78	211	68	358	1.6	—	4	13	9	26	0.3	—	10	10	1.8	394	1.3
Ae. serratus	22	7	237	71	337	1.5	—	—	5	2	7	0.1	—	—	—	0.0	344	1.1
Cx. (Mel.) ribeirensis	1	10	314	—	325	1.5		2	6	1	9	0.1	—	1	1	0.2	335	1.1
Total Culicidae (*)	412	3,519	14,404	3,846	22,181	100.0	362	2,679	3,932	1,009	7,982	100.0	82	478	560	100.0	30,723	100.0
Total of other species (except Ma. humeralis)	412	3,239	14,065	3,770	21,486	—	359	1,497	1,045	327	3,228	—	80	179	259	—	24,973	—
Richness (mean monthly value)	8.5	13.5	25.8	16,2	—	—	5.5	10.1	11.3	6.3	—	—	1.9	4.7	—	—	—	—
Diversity (mean monthly value)	2.4	2.4	3.7	2.8	—	—	1.6	1.8	1.9	1.3	—	—	0.6	1.4	—	—	—	—
Dominance of Ma. humeralis (mean monthly value)	—	8.2	3.3	2.1	—	—	1.7	44.4	59.8	60.2	—	—	2.2	25.2	—	—	—	—

*Amounts including mosquito species with 1.0% or less specimens: An. rondoni, Cx. (Culex) spp. (1.0%); Cx. (Mel.) Melanoconion section, Ps. (Jan.) ferox (0.7%); An darlingi (0.6%); Cx. (Mel.). Atratus group (0.5%); Cx. (Mel.) idottus (0.4%); An. parvus, Cq. shannoni, Wy. melanocephala (0.3%); Cx. (Mel.) Intrincatus group, Ma. amazonensis (0.3%); An. (Nys.) spp., Cq. albicosta, Cx. (Cux.) bidens, Cx. (Cux.) declarator, Cx. (Cux.) Coronator group, Cx. (Mel.) clarki, Cx. (Mel.) oedipus, Ma. wilsoni, Sa. glaucodaemon, Ur. geometrica (0.1%); Ae. (Ste.) albopictus, Ae. fulvus, Ae. hastatus/oligopistus, Ae. nubilus, Ae. serratus/nubilus, Ae. aenigmaticus, An. braziliensis, An. deaneorum, An. evansae, An. strodei, Cq. chrysonotum/albifera, Cq. venezuelensis, Cx. (Cux.) camposi, Cx. (Cux.) chidesteri, Cx. (Cux.) coronator, Cx. (Cux.) maxi, Cx. (Cux.) mollis, Cx. (Cux.) quinquefasciatus, Cx. (Mel) spp., Cx. (Mel.) aureonotatus, Cx. (Mel.) bastagarius, Cx. (Mel.) contei, Cx. (Mel.) delpontei, Cx. (Mel.) dunni, Cx. (Mel.) eastor, Cx. (Mel.) flabellifer, Cx. (Mel.) Pilosus group, Cx. (Mel.) pavlovsky, Cx. (Mel.) pilosus, Cx. (Mel.) rabelloi, Cx. (Mel.) sp. of Atratus group, Cx. (Mel.) theobaldi, Cx. (Mel.) vaxus, Cx. (Mel.) zeteki, Cx. (Mel.) adamesi, Li. durhamii, Li. flavisetosus, Ma. indubitans, Ps. (Gra.) sp., Ps. (Jan.) albipes, Ps. (Pso.) ciliata, Ps. (Gra.) confinnis, Ur. apicalis, Ur. lowii, Ur. mathesoni, Ur. pulcherrima, Ur. spp., and Wy. chalcocephala/roucouyana (<0.1%).