
melangina kwadrimakulatta

melangina kwadrimakulatta oru europian inam hoverfly aanu.
vivaranam.
baahya chithrangal
padangalkkaayi diptterayude roopaghadana kaanuka <bii. aarr> chirakinte neelam 7· <aii. dii. 1> emm. emm. purushanmaarude vayattil naalu paadukal maathrameyulloo. penn terjaittukal karuthathum ilam vayarile adayaalangalum illa. cheria mudiyulla annukal. hippayaan (1968) purusha terminalia roopappeduthiyathu. larva rohtere vivarikkukayum roopappeduthukayum cheythu (1994). nirnnayathinaayi referenceukal kaanuka. 
vitharanam.
thekkan norway, sweeden, finland, denmark enniva thekk beljiyam vare. ireland kizhakk maddhya europiloode europian russiayilekkum russian vidoora kizhakk, cyberia, pasaphik theeram (sakhaalin) ennividangalilekkum.
jeevashasthram.
aavaasavyavasthayaaya "fagus", "quercus" purathana vanapradeshangal, koodaathe vipulamaaya paarkkukalilum amithamaya marangalumundu. arborial, ennaal "alnus", "aneemon nemorosa", "carpinus", "chrysosplanium opositipholium", "corrillus", "hamamelis mollis", "lonikera sailostiyam", "populus tremula", "salix", "sambookas", "tasilago" ennivayude pookkal sandarshikkaan erangunnu. februvari avasaanam muthal epril avasaanam vareyaanu vimaanathinte kaalavadhi. 
laarvakal firzil adaljidukalil mushinjirikkunnu.