90 INSECTS INJURIOUS TO FOREST PRODUCTS. 
Leucotermes fiavipes, etc. — Continued. Page. 
colonies, new, establishment 49-53 
copulation 50, 51 
' description of forms, or castes 28-31 
distribution 14 
egg, description ' 31 
egg laying, rate 51, 52, 53 
eggs, seasonal occurrence in colony 43 
former studies thereon 17-19 
"guests, " or inquilines . 71-72 
installation in termitarium 22 
neoteinic reproductive forms, seasonal occurrence in colony 44 
neoteinic royalty, mating 51 
number of individuals in colony 25-27 
nymph, primary form, description .' 30 
nymph, secondary form, description '. 30 
nymphs, development 37-42 
nymphs of reproductive forms, seasonal occurrence in colony 43-44 
parasites : 72 
reproductive forms, description 65-68 
reproductive forms, occurrence, historical 54-65 
seasonal variation in colony 43-45 
sense organs 31-32 
soldier, description 28-29 
soldiers, seasonal occurrence in colony , 45 
successive stages in development of the various forms or castes 36 
summary and conclusions based on results of experiments 72-75 
swarming dates 68-69 
swarm, or so-called nuptial flight . . . . . 48 
worker, description 28 
Leucotermes lucifugus (see also Termes lucifugus) — 
antennal segments, increase 35 
colony formation, bibliographic reference 73 
former studies thereon 18 
forms, bibliographic reference 36 
molts, number ., r 35 
nymphs, development 41 
reproductive forms, description 65-68 
reproductive forms, occurrence 53-54, 57-58, 59, 60 
soldier, metamorphosis 35 
studies on life history and internal anatomy 17 
swarming dates 68, 69 
Leucotermes virginicus (see also Termites of Eastern United States) — 
adults, colonizing winged, description 30-31 
cannibalism 46 
description of forms, or castes 28-31 
distribution 14 
eggs, seasonal variations in colony 43 
"guests, " or inquilines 72 
mention 18 
neoteinic reproductive forms, seasonal occurrence in colony 44 
number of individuals in colonies 27 
nympn, primary form, description 30 
nymph, secondary form, description 30 
