Species diversity of entomophilous plants and flower-visiting insects is sustained in the field margins of sunflower crops Author Torretta, Juan Pablo CONICET - Cátedra de Botánica Agrícola, Facultad de Agronomía, Universidad de Buenos Aires, Av. San Martín 4453, C 1417 DSE, Buenos Aires, Argentina; Author Poggio, Santiago L. IFEVA / CONICET - Cátedra de Producción Vegetal, Facultad de Agronomía, Universidad de Buenos Aires, Av. San Martín 4453, C 1417 DSE, Buenos Aires, Argentina text Journal of Natural History 2013 2013-01-15 47 3 - 4 139 165 http://dx.doi.org/10.1080/00222933.2012.742162 journal article 10.1080/00222933.2012.742162 1464-5262 4631907

Table 3. Number of species of floral visitors captured in field margin plants and sunflowers.

	Floral visitors					Functional groups
(Continued)
Family	No. of species or morphospecies in:			Pollinators	Cleptoparasites	Predators	Parasitoids Herbivores Decomposers
	weeds	sunflowers∗	shared
Hymenoptera
Apoidea
Andrenidae	22	1	1	22
Apidae	43	13	9	36	7
Colletidae	6			6
Halictidae	26	7	4	26
Megachilidae	18	11	7	11	7
Crabronidae	15	2	2			15
Sphecidae	4					4
Vespoidea
Pompilidae	4				1	3
Tiphiidae	4	1	1				4
Vespidae	9			1		8
Diptera
Anthomyiidae	1	1	1				1?
Bibionidae	1						1?
Bombyliidae	4						4
Calliphoridae	3						3
Conopidae	1						1
Culicidae	1					1
Muscidae	4						4?
Sarcophagidae	10	1	1				10
Stratiomyiidae	3						3?