Month NumberCollected   Cardiosomaarmatum Cardiosomaguanhumi   Female Male Total Female Male Total February 26 30 56 24 36 60 March 29 33 62 34 41 75 April 33 37 70 27 34 61 May 31 38 69 41 37 78 June 39 39 78 40 40 80 July 39 44 83 39 47 86 Total 197 221 418 205 235 440

Table 1: Monthly collection of Cardiosoma armatum and Cardiosoma guahunmi from Lagos Lagoon mangrove swamp in Nigeria (February- July, 2012).