153 



stage. I have found them only on Kuku (Bidens pilosa), but 

 commonly on that plant. 



Metrarga F. B. White. 



This is a curious genus of bark-dwellers, also found in such 

 sheltering situations as leie (Freycinetia arborea) and under 

 fallen leaves, etc. 



10 mwk F. B. White. 



The nymphs do not appear to be remarkable, but I have 

 seen very limited material. Antennal tubercles acute and 

 prominent; eyes not touching pronotum. Pronotum about 3 

 times as wide as long, the lateral margins laminate and min- 

 utely crenulate. Abdomen laterally sxplanate, odoriferous 

 orifices elongate and very short, on fifth and sixth tergites. 



Fam. Tingidae. 



The metamorphoses of this family are a little better known, 

 comparatively, than most of the other Heteropterous families. 

 Many of the species seem to be gallmakers. Maecenas pyri pro- 

 duces three kinds of spots on leaves, (a) round spots, contain- 

 ing excrementa, these being very injurious; (b) raised spots, 

 containing an egg in each, (c) minute punctures (^^). 



C opium comutum forms galls in Teucrium chamaedrys (^^). 

 In other species, the eggs are deposited externally. Nymphal 

 instars of various species have been described and figured by 

 Felt C^), Heidemann (^^) and Morrill C^), the latter figur- 

 ing ova also. 



(31) Carlet 1882 C. R. Ac. Paris XCV, 1012. 



(32) White 1877 E. M. M. XIII, 283; Riibsaamen 1895 Bull. Soc. Nat. 

 Moscou 420, PI. XV f. 8 & PI. XVI f. 39. 



(33) 1904, Bull. N. York Mus. LXXVI, 125, Pis. 3-4. 



(34) P. E. S. Washington VIII, 10, f. 2-3. 



(35) Psyche, 1903, X 127, PI. 3. 



