Species Composition and Visiting Frequencies of Flower Visitors of Chromolaena odorata in a Dry Zone Forest Patch of Sri Lanka

Table 1

List of flower visitors in different orders and families observed in C. odorata stands in Mihintale Sanctuary and the frequency of visits. Rates presented are population means per  m flower strands per hour (, 35 hours).

Order	Family	Species	Frequency	SD ()
Hymenoptera	Apidae	Amegilla comberi	2.33	1.53
		Apis cerana	22.67	1.15
		Apis dorsata	19.00	2.00
		Apis florea	14.00	2.65
		Braunsapis sp.	7.33	4.16
		Ceratina binghami	15.67	1.53
		Thyreus insignis	5.00	1.00
		Trigona iridipennis	9.00	1.00
		Xylocopa ruficornis	11.33	0.58
		Xylocopa tenuiscapa	4.00	1.00
	Halictidae	Curvinomia iridiscens	13.00	1.00
		Hoplonomia westwoodi	12.00	1.73
		Lasioglossum amblypygus	18.33	2.08
		Leuconomia sp.	12.33	1.53
		Pachynomia sp.	8.00	1.00
	Megachilidae	Euaspis edentata	12.00	1.00
		Lithurgus atratus	7.00	1.00
		Megachile lanata	12.67	2.08
		Megachile vigilans	4.33	0.58
	Chrysididae	Chrysis oculata	4.33	0.58
		Stilbum cyanurum splendidum	10.00	1.00
	Eumenidae	Antepipona sp.	15.00	1.00
		Delta emarginatum	7.00	1.00
		Subancistrocerus sichelii	2.00	1.00
	Sphecidae	Ammophila atripes	2.67	0.58
		Sp. 1 (H1)	13.67	1.53
		Sp. 2 (H2)	12.67	2.08
		Sphex sp.	7.00	1.00
	Scelionidae	Scolia jurinei Sauss	3.00	1.00
	Vespidae	Sp. 1 (H8)	3.67	2.52
Coleoptera	Meloidae	Mylabris phalerata	8.67	0.58
	Coccinellidae	Coccinellidae	9.00	4.00
Diptera	Syrphidae	Episyrphus nectarinus	16.67	0.58
	Asilidae	Cophinopoda chinensis	13.67	2.52
		Sp. 2 (D1)	6.33	2.08
	Ulidiidae	Sp. 1 (D2)	5.33	2.52
	Rhagionidae	Sp. 1 (D3)	4.33	0.58
	Bombyliidae	Sp. 1 (D4)	8.00	1.00
	Calliphoridae	Sp. 1 (D5)	10.00	2.65
		Sp. 2 (D6)	14.00	2.14
		Sp. 3 (D7)	12.33	1.12
	Tephritidae	Sp. 1 (D8)	7.33	1.53
Hemiptera	Reduviidae	Ectomocoris cordigera	9.33	0.58
	Pyrrhocoridae	Sp. 1 (He1)	6.33	2.08
	Scutelleridae	Rhynchium brunneum	12.00	2.00
Lepidoptera	Papilionidae	Pachliopta hector, Crimson Rose	7.33	1.53
		Papilio demoleus, Lime butterfly	7.33	0.58
		Papilio polymnestor, Blue Mormon	3.67	2.08
		Papilio polytes, Common Mormon	14.00	4.36
	Pieridae	Appias albina, Common Albatros	12.33	1.53
		Appeals Galen, Lesser Albatros	3.33	1.53
		Appias libythea, Stripped Albatros	2.67	2.08
		Catopsilia pyranthe, Mottled Emigrant	8.33	2.52
		Cepora nerissa, Common Gull	17.33	2.89
		Delias eucharis, Common Jezebel	4.67	1.15
		Eurema blanda, Three-Spot Grass Yellow	10.33	3.21
		Eurema hecabe, Common Grass Yellow	2.33	1.53
	Nymphalidae	Acraea violae, Tawny Coster	8.00	1.00
		Cirrochroa thais, Tamil Yeoman	14.00	1.00
		Danaus genutia, Common Tiger	11.00	1.00
		Euploea core, Common Crow	14.67	2.08
		Junonia hierta, Yellow Pansy	17.33	1.15
		Junonia iphita, Chocolate Soldier	14.33	1.53
		Melanitis leda, Common Evening Brown	21.00	2.65
		Neptis hylas, Common Sailer	5.67	2.08
		Parantica aglea, Glassy Tiger	5.67	1.53
		Ypthima ceylonica, White Four Ring	7.67	1.15
	Lycaenidae	Castalius rosimon, Common Pierrot	15.00	3.61
		Catochrysops strabo, Forget-me-not	3.00	1.00
		Jamides celeno, Common Cerulean	8.33	0.58
		Pachliopta hector, Crimson Rose	8.00	4.36
		Rapala manea, Slate Flash	12.00	1.00
	Hesperiidae	Ampittia dioscorides, Bush Hopper	5.00	1.00
		Badamia exclamationis, Brown Awl	7.33	3.06
		Iambrix salsala, Chestnut Bob	8.33	1.53
		Spialia galba, Indian Skipper	4.67	2.08
		Telicota colon, Pale Palm Dart	5.33	2.52