Use of Plant Resources by Merosargus (Diptera, Stratiomyidae, Sarginae) Larvae

Table 3

Merosargus species, month of occurrence, number of adults reared in the laboratory, number of plant species and resources types (in brackets), and resource specificity of each species found in samples collected at the Parque Estadual do Rio Doce (PERD), Minas Gerais, Brazil, between October 2001 and October 2004.

Species	Month												Adults	Number of plant species (resource types)	Measure of specificity
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
M. azureus	×	×	×	×			×	×			×		121	10 (10)	0.36
M. cf. bivittatus	×												2	1 (1)	1.00
M. aff. pallifrons	×	×	×	×				×					58	4 (7)	0.79
M. varicrus	×			×				×		×	×		18	2 (4)	0.93
M. cingulatus		×		×				×				×	15	4 (5)	0.79
M. gracilis				×				×					9	2 (3)	0.93
M. gowdeyi					×					×			4	2 (2)	0.93
M. cf. pictipes						×						×	6	1 (1)	1.00
M. cf. arcuatus							×				×		36	1 (1)	1.00
M. cf. opaliger							×						4	1 (1)	1.00
M. cf. transversus										×			3	1 (1)	1.00
M. cf. coxalis												×	16	1 (1)	1.00
Species/month	4	3	2	5	1	1	3	5	0	3	3	3	Total = 292	𝑃avg=2.5	MHavg=0.89
Ptecticus sp.		×		×									7	2 (2)	—
Himantigera sp.				×	×			×		×			50	2 (2)	—
Acrochaeta sp.							×						10	1 (1)	—

𝑃_avg: average number of plant species found; MH_avg: measure of specificity (proportion of other plants species not used).