Most Ladybirds are carnivorous on the larva Aphids (Hemiptera, Homoptera, Aphididae) both as adults and as larvae. Four of the 42 British species are are vegetarians; the Orange Ladybird (Halzia 16-guttata), the 24 Spot Ladybird (Subcoccinella 24-punctata, the 22 Spot Ladybird (Phyllobora 22-punctata) and the 16 Spot Ladybird (Tytthaspis 16-punctata). Some species are generalists, feeding on a wide variety of aphids and are easy to find i.e. the 2 Spot Ladybird (Adalia 2-punctata). Other species such as the Pine Ladybird (Exochomus 4-pustulatus) which is restricted to pines by its food source, the Hieroglyphic Ladybird (Coccinella hieroglyphica) and the Heather Ladybird (Chilocorus 2-pustulatus) which are restricted to heathlands, as well as the 13 Spot Ladybird (Hippodamia 13-punctata) and the Water Ladybird (Anisosticta 19-punctata) which are restricted to damp marshy places, are scarcer and more difficult to find.